51 Comfort Food Recipes That Make Cold Evenings Feel Intentional

Cold evenings hit differently when you lean into them instead of fighting them, and these 51 comfort food recipes are built for exactly that. This collection is for those nights when you want something warm on the stove and a reason to slow down. I come back to meals like these when the air turns sharp and the house feels a little too quiet.

A bowl of lentil curry garnished with chopped cilantro and a swirl of cream, with a spoon in the bowl. — Red Lentil Soup. Photo credit: Two City Vegans.

Aglio e Olio

Close-up of fettuccine pasta tossed with grated cheese, chopped parsley, and red pepper flakes being lifted with a fork. — Aglio e Olio. Photo credit: Splash of Taste.

After a long day, nothing feels quite as good as sitting down to enjoy this Aglio e Olio. The simplest dishes can often be the most comforting, and this recipe proves that. It’s laid-back and brings an air of effortless warmth to the table. Perfect for those crisp, quiet evenings when you need a bit of calm.
Get the Recipe: Aglio e Olio

Mac and Cheese Balls

Five pieces of crispy, golden-brown fried macaroni and cheese bites are stacked on a white plate, with one bite showing the cheesy pasta inside. — Mac and Cheese Balls. Photo credit: Splash of Taste.

Crunchy on the outside and creamy in the center, these Mac and Cheese Balls are the type of snack that remind you why comfort food matters most on cold nights. They’re playful without overthinking it, transforming what you love about mac and cheese into something delightfully bite-sized. Perfectly indulgent when you want a little fun in your evening.
Get the Recipe: Mac and Cheese Balls

Buttermilk Biscuits

Three golden-brown biscuits are stacked, with the top one missing a bite. A small sprig of greenery with red berries is visible in the corner. — Buttermilk Biscuits. Photo credit: Hungry Cooks Kitchen.

Warm, flaky, and impossibly buttery, these Buttermilk Biscuits feel like a little taste of home. Whether you pair them with something hearty or enjoy them on their own, they bring a sense of cozy simplicity that’s perfect for the season. Great for slow-paced mornings or relaxing evenings alike—it’s all about timeless comfort.
Get the Recipe: Buttermilk Biscuits

Butternut Squash Ravioli

A plate of ravioli topped with creamy sauce, grated cheese, and fresh herbs, served with a fork. — Butternut Squash Ravioli. Photo credit: Splash of Taste.

I’ve found dishes like this Butternut Squash Ravioli are perfect for bringing a little seasonal magic into the kitchen. There’s something about its comforting texture and warm autumn vibes that really make you appreciate colder days. It’s a meal that feels just right for settling in after a busy day. Plus, it has just the perfect touch of elegance.
Get the Recipe: Butternut Squash Ravioli

Butter Pecan Cookies

Close-up of several pecan cookies on a white surface, with pecan halves on top and crumbs scattered around. — Butter Pecan Cookies. Photo credit: Splash of Taste.

Few things rival the charm of these Butter Pecan Cookies on brisk evenings. They’re comforting without feeling overly heavy, giving you that hint of sweetness when the day calls for it. Perfect for pairing with a cup of something warm or simply enjoying after dinner. Baking them feels as nostalgic as the flavor itself.
Get the Recipe: Butter Pecan Cookies

Boston Cream Pie

Desserts like this Boston Cream Pie have a knack for making chilly evenings feel memorable. It’s rich and indulgent, with a soft, balanced sweetness that feels like the perfect end to a cozy dinner. Whether celebrating or relaxing, every bite feels like a little moment of luxury. Great for colder nights when you want something special.
Get the Recipe: Boston Cream Pie

Cinnamon Roll Casserole

Close-up of a dish of warm cinnamon rolls topped with white glaze. — Cinnamon Roll Casserole. Photo credit: Splash of Taste.

On evenings when you’re in the mood for something indulgent, this Cinnamon Roll Casserole fits right into the lineup of comforting dishes. It takes the essence of a breakfast favorite and turns it into something worth lingering over. Its warm, inviting texture and flavor make it feel perfect for slow-paced nights at home.
Get the Recipe: Cinnamon Roll Casserole

Cinnamon Sugar Blondies

Close-up of sliced crumbly cakes topped with white icing. One piece is positioned vertically to show its texture. — Cinnamon Sugar Blondies. Photo credit: Hungry Cooks Kitchen.

When the air turns crisp, these Cinnamon Sugar Blondies become the kind of dessert that warms you up in the best way. They embrace the cozy flavors of cinnamon without feeling overly complicated. With each bite, they make you appreciate the beauty of simple, relaxed evenings spent unwinding. Great with a hot drink by your side.
Get the Recipe: Cinnamon Sugar Blondies

Cookie Cake

A tray of chocolate-frosted cake squares with colorful sprinkles, featuring one piece slightly raised above the rest. — Cookie Cake. Photo credit: Splash of Taste.

There’s an undeniable charm to a dessert like this Cookie Cake. It’s nostalgic, straightforward, and feels just right for casual nights when you want comfort without fuss. Its soft yet familiar texture makes every slice a little celebration of classic joy. Perfect for laid-back evenings or treating yourself to something sweet.
Get the Recipe: Cookie Cake

Cornbread Stuffing

A metal spatula lifts a serving of baked stuffing topped with chopped parsley from a white casserole dish. — Cornbread Stuffing. Photo credit: My Reliable Recipes.

Hearty and warm, this Cornbread Stuffing works as the perfect addition to a table filled with comfort classics. The texture is rich and satisfying, embodying the sense of home and tradition. No matter how you enjoy it, it carries that feeling of warmth that makes it just right for colder seasons.
Get the Recipe: Cornbread Stuffing

Cranberry Jalapeño Dip

A platter of whipped cheese topped with roasted cranberries, chopped herbs, and sliced green onions. — Cranberry Jalapeño Dip. Photo credit: Hungry Cooks Kitchen.

If you’re in the mood for something bold but still cozy, this Cranberry Jalapeño Dip has that sparkle you need. It balances subtle heat with just the right touch of sweetness, making it a standout option for casual winter nights. It’s great for sharing around a table, perfect for times when you need something easy yet memorable.
Get the Recipe: Cranberry Jalapeño Dip

Creme Brûlée Cheesecake

A close-up of a slice of cheesecake with a caramelized sugar topping, resting on parchment paper with a crumbly base visible. — Creme Brûlée Cheesecake. Photo credit: Splash of Taste.

When colder evenings call for dessert, this Creme Brûlée Cheesecake is just indulgent enough to make you slow down and enjoy the moment. It combines two classics into one irresistible bite. Silky and rich, this is the kind of recipe that feels perfectly suited for a little quiet indulgence on chilly nights.
Get the Recipe: Creme Brûlée Cheesecake

Eggnog Pie

Close-up of a sliced pie with a crumb crust, topped with star-shaped cookies dusted with powdered sugar. — Eggnog Pie. Photo credit: Your Perfect Recipes.

I love the way recipes like this Eggnog Pie bring the holidays into full focus. It’s smooth, creamy, and feels just indulgent enough for those cozy evenings spent indoors. This pie brings a festive warmth wherever you serve it, making it a perfect addition to seasonal nights at home.
Get the Recipe: Eggnog Pie

Eggplant Casserole

A slice of cheesy eggplant lasagna with tomato sauce is being lifted from a pan, showing stretchy melted cheese. A bowl is blurred in the background. — Eggplant Casserole. Photo credit: Splash of Taste.

On those extra cold evenings, this Eggplant Casserole delivers exactly the hearty comfort you’re craving. It’s rich, filling, and packed with the kind of warmth that feels like it’s wrapping you up in a blanket. Dishes like this are perfect for bringing a little soul to the table whenever the chill sets in.
Get the Recipe: Eggplant Casserole

Gnocchi

Soft, pillowy, and perfectly comforting, dishes like this Gnocchi are what colder evenings were made for. I always appreciate the way its texture and simplicity create such a cozy, satisfying moment at the table. Pairing well with almost any mood, it’s exactly the kind of recipe that makes slower evenings feel intentional.
Get the Recipe: Gnocchi

Goat Cheese Dip

A bowl of whipped feta cheese topped with mixed olives, sun-dried tomatoes, herbs, and olive oil. — Goat Cheese Dip. Photo credit: Splash of Taste.

Smooth and irresistibly creamy, this Goat Cheese Dip finds its place on a cozy night in. It’s the kind of dip that feels fuss-free but still indulgent enough to brighten up any evening spent inside. Pair it with warm bread or simple crackers, and it adds a touch of luxury to quiet moments.
Get the Recipe: Goat Cheese Dip

Green Bean Casserole

When classic comfort is what you’re craving, this Green Bean Casserole answers the call. It carries tradition in every bite, making it ideal for chilly evenings at home. Warm and fulfilling, dishes like this remind you why simple, hearty recipes never go out of style. They’re a staple for good reason!
Get the Recipe: Green Bean Casserole

Marry Me Butter Beans

A cast iron skillet with creamy pasta mixed with spinach and sun-dried tomatoes, topped with cheese, with a wooden spoon resting inside. — Marry Me Butter Beans. Photo credit: Splash of Taste.

Recipes like this Marry Me Butter Beans thrive on simplicity and charm, offering warmth without being overwhelming. I find these types of hearty dishes really bring a sense of home to chilly evenings. It’s all in the gentle flavors that wrap you in comfort every time. Perfect for when you’re craving something truly soulful.
Get the Recipe: Marry Me Butter Beans

Boston Cream Pie Cupcakes

A close-up of a sliced muffin filled with creamy vanilla custard and topped with chocolate glaze. — Boston Cream Pie Cupcakes. Photo credit: Splash of Taste.

This Boston Cream Pie Cupcakes packs all the joy of a classic in small, easy-to-enjoy bites. Elegant yet approachable, they deliver dessert vibes fit for any relaxed evening. It’s one of those unique recipes that transforms dessert into the standout of the night without overcomplicating the process.
Get the Recipe: Boston Cream Pie Cupcakes

Baked Feta Pasta

Baked bow-tie pasta with cherry tomatoes, creamy sauce, basil leaves, and red pepper flakes in a white dish. — Baked Feta Pasta. Photo credit: My Reliable Recipes.

Cozy evenings pair so perfectly with recipes like this Baked Feta Pasta. It’s creamy, warm, and just indulgent enough to feel comforting without being overwhelming. Great for relaxing nights spent enjoying rich flavors without any fuss. Add this to your cold-weather rotation when simplicity meets satisfaction.
Get the Recipe: Baked Feta Pasta

Beer Cheese Dip

A hand dips a tortilla chip into creamy cheese dip sprinkled with paprika and black pepper. — Beer Cheese Dip. Photo credit: My Reliable Recipes.

There’s something about dips like this Beer Cheese Dip that feels inherently comforting during cooler seasons. Whether it’s a casual movie night or a quiet evening with loved ones, this recipe creates the perfect centerpiece for your snacking plans. Rich yet approachable, it’s hard to resist its signature charm.
Get the Recipe: Beer Cheese Dip

Irish Potatoes

Three golden-brown fritters stacked on a plate, garnished with chopped green herbs on top. — Irish Potatoes. Photo credit: Your Perfect Recipes.

Recipes like this Irish Potatoes evoke a sense of warmth and simplicity. They feel wholesome and filling, offering just the kind of low-key comfort needed on colder nights. No frills, just straightforward, hearty satisfaction. These potatoes prove why rustic recipes never go out of style.
Get the Recipe: Irish Potatoes

Mashed Potato Casserole

A baked casserole topped with crispy fried onions and sliced green onions, served in a white oval dish on a tiled surface with a beige cloth nearby. — Mashed Potato Casserole. Photo credit: Hungry Cooks Kitchen.

There’s something unforgettable about dishes like this Mashed Potato Casserole. It’s rich and hearty in the best way, making winter meals feel intentional and comforting. Every bite brings you closer to that unmistakable sense of warmth that makes the colder months so special. Perfect for shared tables or solo indulgence.
Get the Recipe: Mashed Potato Casserole

Moist Banana Bread

Close-up of a sliced banana bread loaf, showcasing its moist, textured interior with visible banana chunks. — Moist Banana Bread. Photo credit: Pocket Friendly Recipes.

Few things warm up a space quite like the aroma of this Moist Banana Bread baking in the oven. It feels nostalgic, comforting, and easy in all the right ways. Perfect for slowing down and enjoying quiet evenings, this is the kind of recipe that reminds you why the simple classics are always worth revisiting.
Get the Recipe: Moist Banana Bread

Muhammara with Pita Bread

A bowl of tomato-based dip garnished with chopped parsley and walnuts, with pita bread pieces on the side. — Muhammara with Pita Bread. Photo credit: Two City Vegans.

Bold yet soothing, this Muhammara with Pita Bread transforms casual snacking into something truly special. It’s vibrant in flavor but cozy in execution, giving it that adaptable charm that works in any setting. Perfect for dipping or spreading, it’s a versatile comfort that fits seamlessly into chilly evenings.
Get the Recipe: Muhammara with Pita Bread

Mulligatawny Soup

A bowl of thick lentil and vegetable soup garnished with fresh herbs, featuring visible chunks of carrots and potatoes. — Mulligatawny Soup. Photo credit: Splash of Taste.

Some evenings call for a recipe like this Mulligatawny Soup. It’s warm, hearty, and offers just the right edge of spice to make you forget the chill outside. As a one-bowl wonder, it gently comforts while providing layers of flavor that keep you coming back. This soup feels perfect for slowing down and savoring colder months.
Get the Recipe: Mulligatawny Soup

Naan Bread

A stack of flatbreads garnished with chopped parsley sits on a cloth, with a white pepper grinder, fresh herbs, a lemon wedge, and a bowl of yellow sauce nearby. — Naan Bread. Photo credit: Splash of Taste.

Recipes like this Naan Bread bring a welcoming warmth to your table. Soft, slightly toasted, and endlessly comforting, it’s perfect for pairing with soups, dips, or enjoying all on its own. Few things are more satisfying than something that tastes fresh and feels just right during quiet evenings.
Get the Recipe: Naan Bread

Pancake Casserole

A baked French toast casserole topped with powdered sugar, sliced strawberries, and blueberries in a white dish. — Pancake Casserole. Photo credit: My Reliable Recipes.

If you’re a breakfast-for-dinner type, this Pancake Casserole is the cozy comfort you didn’t know you needed. Perfectly sweet without overdoing it, this dish has all the charm of pancakes and all the simplicity of a one-pan meal. It’s a fun way to make colder nights a little more enjoyable with the flavors you love.
Get the Recipe: Pancake Casserole

Pasta alla Norma

A pot filled with penne pasta in a tomato sauce, topped with grated cheese, basil leaves, and herbs. — Pasta alla Norma. Photo credit: Splash of Taste.

For a recipe that’s as comforting as it is layered, this Pasta alla Norma delivers beautifully. It offers all the warmth and charm of a pasta dish without the heaviness, giving you just enough depth to savor quietly. Perfect for turning a chilly evening into something more intentional, with satisfying bites every time.
Get the Recipe: Pasta alla Norma

Pita Bread

Warm, soft, and versatile, recipes like this Pita Bread feel right at home during cozy nights in. Whether it’s paired with your favorite dip or simply enjoyed freshly baked, this bread brings an understated comfort to the table. It’s perfect for effortless snacking or enhancing your dinner spread.
Get the Recipe: Pita Bread

Potato Casserole

This Potato Casserole is the kind of dish that becomes a centerpiece of cold-weather comfort. Full of warmth and deeply satisfying, it takes the essence of simple potatoes and elevates them into something hearty. Perfect for meals that feel unhurried, it’s ideal for chilly nights where coziness matters most.
Get the Recipe: Potato Casserole

Potato Croquettes

Breaded and fried patties garnished with chopped parsley are arranged on a plate next to a bowl of creamy dipping sauce with herbs. — Potato Croquettes. Photo credit: Splash of Taste.

Crispy and lightly golden, recipes like this Potato Croquettes are all about creating moments of simple happiness during colder evenings. Their soft centers pair perfectly with their crunchy exterior, making them a snack or side dish worth savoring. They bring a touch of playful indulgence to your table.
Get the Recipe: Potato Croquettes

Potatoes Au Gratin

A close-up of creamy, baked scalloped potatoes with melted cheese, garnished with chopped parsley, in a white baking dish with a serving spoon. — Potatoes Au Gratin. Photo credit: Splash of Taste.

Rich layers of creamy goodness make this Potatoes Au Gratin a true cold-weather comfort food. Whether served as a show-stopping side or enjoyed all its own, this dish embodies the warmth you need when the chill hits. With every bite, it brings a sense of home that’s impossible not to love.
Get the Recipe: Potatoes Au Gratin

Red Velvet Cupcakes

Desserts like these Red Velvet Cupcakes are the kind of treat that brightens up quiet nights indoors. They’re indulgent without being overwhelming, adding just enough elegance to make cold evenings feel a little special. Perfect for unwinding, every bite feels like a small celebration during slower, cozy moments.
Get the Recipe: Red Velvet Cupcakes

Sheet Pan Pizza

A close-up of a rectangular pizza topped with melted cheese, cherry tomatoes, spinach, and fresh herbs, on a baking tray lined with parchment paper. — Sheet Pan Pizza. Photo credit: Splash of Taste.

On nights when delivery feels like too much hassle, recipes like this Sheet Pan Pizza create the perfect at-home option. It’s casual, flavorful, and packed with just enough comfort to ease into a chilled-out evening. With its golden crust and inviting aroma, it turns colder nights into something deliciously memorable.
Get the Recipe: Sheet Pan Pizza

Spinach and Ricotta Lasagna

A lasagna being dished up. — Spinach and Ricotta Lasagna. Photo credit: Splash of Taste.

This Spinach and Ricotta Lasagna feels like pure comfort layered into every cheesy bite. It’s warm, filling, and perfect for evenings spent escaping the chill outdoors. Great to enjoy over a relaxed dinner at home, recipes like this remind you why classic lasagnas never fail to deliver.
Get the Recipe: Spinach and Ricotta Lasagna

Stuffed Acorn Squash

A roasted acorn squash half filled with a stuffing of couscous, apples, nuts, raisins, and fresh herbs sits on a plate. — Stuffed Acorn Squash. Photo credit: Two City Vegans.

Recipes like this Stuffed Acorn Squash embrace the cozy seasonal vibes of fall and winter alike. They’re hearty, wholesome, and bring just enough variety to build excitement around dinner. Perfect for enjoying as you settle into the slower pace of colder evenings, it hits the mark every time.
Get the Recipe: Stuffed Acorn Squash

Sweet Potato Fries

Crispy edges and soft centers make these Sweet Potato Fries a go-to recipe for comfort. They’re ideal for snacking or serving as the perfect companion to cozy meals. With just the right balance of fun and comfort, these fries bring a little extra warmth to colder nights.
Get the Recipe: Sweet Potato Fries

Sweet Potato Tacos

Two tacos on a plate with a sauce. — Sweet Potato Tacos. Photo credit: Splash of Taste.

I love how recipes like these Sweet Potato Tacos take a familiar dish and bring a thoughtful, hearty twist. They’re warm, satisfying, and carry a touch of creativity perfect for slower evenings. Great for shaking up taco night without sacrificing the comfort you want when it’s chilly out.
Get the Recipe: Sweet Potato Tacos

Sweet Potato Wedges

Recipes like these Sweet Potato Wedges offer a balance of simplicity and bold flavors that are ideal for colder evenings. Crisp on the outside, tender within, they’re effortless yet comforting. Perfect as a casual snack or a unique alternative to fries, these wedges make any meal feel just a little more special.
Get the Recipe: Sweet Potato Wedges

Tiramisu Cheesecake

A close-up of a slice of layered tiramisu cake with cream, coffee-soaked sponge, and dusted cocoa powder on top, served on a white plate. — Tiramisu Cheesecake. Photo credit: Splash of Taste.

Combining elegance with indulgence, this Tiramisu Cheesecake creates moments worth savoring at the end of an evening. It’s a dessert that feels celebratory and cozy all at once, bringing together familiar comfort with a slight twist. Perfect for colder nights when you want a hint of luxury without the fuss.
Get the Recipe: Tiramisu Cheesecake

Vegetarian Meatballs

A white bowl filled with meatballs topped with creamy sauce and garnished with chopped fresh herbs. — Vegetarian Meatballs. Photo credit: Splash of Taste.

Warm and hearty, these Vegetarian Meatballs prove that you don’t need meat to enjoy a classic winter favorite. They’re filling and satisfying without ever feeling too heavy. Perfect alongside your favorite sides or sauces, they bring the kind of comfort that’s made for chilly nights.
Get the Recipe: Vegetarian Meatballs

Veggie Burger

Recipes like this Veggie Burger make cooler evenings feel lighter yet still cozy and filling. It’s a simple way to enjoy a familiar favorite without missing that comforting edge. Perfect for casual dinners or chilled evenings indoors, this one balances indulgence and ease flawlessly.
Get the Recipe: Veggie Burger

Wild Rice Casserole

A bowl of pasta with lemon slices and parmesan cheese. — Wild Rice Casserole. Photo credit: Splash of Taste.

Earthy, rich, and full of character, this Wild Rice Casserole is the ultimate comfort food for quieter nights. It’s wholesome and filling, with a flavor profile that feels like home. Great for enjoying solo or sharing in a relaxed setting, it’s dishes like this that make cold weather something to treasure.
Get the Recipe: Wild Rice Casserole

Halloumi Stroganoff

A dish of grilled paneer cubes in a rich, orange curry sauce, garnished with chopped cilantro, served in a shallow bowl. — Halloumi Stroganoff. Photo credit: Splash of Taste.

Creamy and unique, this Halloumi Stroganoff is the kind of recipe that turns an ordinary evening into something unforgettable. It has just enough richness to feel indulgent but brings a fresh twist you won’t expect. Perfect for nights when you want comfort with a bit of something new.
Get the Recipe: Halloumi Stroganoff

Hot Chocolate Cupcakes

Chocolate cupcakes with white frosting and small pastel-colored marshmallows on top, arranged in a group against a neutral background. — Hot Chocolate Cupcakes. Photo credit: Pocket Friendly Recipes.

These Hot Chocolate Cupcakes capture the essence of everything comforting about winter desserts. They’re sweet, decadent, and the perfect nod to the classic drink we all know and love. Enjoy them as a simple treat after dinner or paired with even more hot chocolate for an extra cozy vibe.
Get the Recipe: Hot Chocolate Cupcakes

Apple Fritters

Close-up of freshly baked apple cookies drizzled with icing, resting on parchment paper with part of a bowl visible to the right. — Apple Fritters. Photo credit: Hungry Cooks Kitchen.

There’s nothing like biting into these Apple Fritters on a crisp fall evening. They’re warm, sweet, and carry just the right amount of nostalgia to make you feel at ease. Whether enjoyed with coffee, tea, or on their own, they’ll quickly become a favorite for slow, peaceful nights.
Get the Recipe: Apple Fritters

Vegetarian Meatloaf

A sliced loaf topped with a red sauce, showing a dense filling of vegetables and legumes, served on a wooden cutting board and garnished with chopped herbs. — Vegetarian Meatloaf. Photo credit: Splash of Taste.

Recipes like this Vegetarian Meatloaf are classic crowd-pleasers that still feel fresh and hearty. Perfect for when you need an easy, filling dish that carries all the warmth of a traditional meatloaf. Each slice is packed with comforting flavor, making it ideal for colder evenings.
Get the Recipe: Vegetarian Meatloaf

Vegetarian Shepherd’s Pie

A cast iron skillet filled with vegetable shepherd's pie, topped with mashed potatoes and garnished with rosemary sprigs and chopped parsley. Two spoons are placed inside. — Vegetarian Shepherd’s Pie. Photo credit: Splash of Taste.

This Vegetarian Shepherd’s Pie is a perfect example of how comfort food can remain hearty and wholesome. It’s layered with everything you love about the classic dish, minus the meat, and still delivers on all the cozy vibes. It’s a simple yet deeply satisfying way to enjoy quiet evenings at home without overthinking dinner.
Get the Recipe: Vegetarian Shepherd’s Pie

Butternut Squash Risotto

A bowl of risotto topped with roasted pumpkin pieces, grated cheese, and fresh parsley, with a checkered napkin and herbs nearby. — Butternut Squash Risotto. Photo credit: Splash of Taste.

This Butternut Squash Risotto brings all the warmth and charm of a comforting fall dish. It’s rich, creamy, and just indulgent enough to make cold-weather evenings feel a little more special. I love how it balances the cozy textures of risotto with the seasonal flavors of squash. Perfect for both relaxed and festive occasions alike.
Get the Recipe: Butternut Squash Risotto

Red Lentil Soup

When the temperatures drop, this Red Lentil Soup is the kind of recipe that warms you from the inside out. It’s simple, wholesome, and full of comforting flavor, making it a great option for quiet nights in. Perfect for pairing with fresh bread or enjoying on its own, this soup feels like a relaxing escape from the cold.
Get the Recipe: Red Lentil Soup