I Always Double 21 Casseroles For Leftovers
Leftovers are a gift that keeps on giving, which is why doubling 21 casseroles is a smart move. There’s nothing better than realizing dinner is already handled for tomorrow. It saves time, energy, and maybe even a little sanity. Plus, reheating feels like winning the lottery without the taxes.

Corn Casserole

You can’t go wrong with doubling up here, especially since leftovers warm up beautifully. Corn Casserole works great for quick meals later in the week. It’s one of those dishes that stays just as good the next day. Make two pans and thank yourself later.
Get the Recipe: Corn Casserole
Ravioli Casserole

Make enough of Ravioli Casserole for now and later, you won’t regret it. It reheats perfectly and is one of those meals that just feels easy. Having a backup dish in the fridge can save time when you’re busy. You’ll be glad there’s more in the kitchen waiting for you.
Get the Recipe: Ravioli Casserole
Asparagus Casserole

A second batch of Asparagus Casserole is a smart move because it’s just as good the next day. It’s great as a side or a quick solo meal. The leftovers can even work as meal prep for the week. You’ll be glad to have it ready to go.
Get the Recipe: Asparagus Casserole
Pancake Casserole

If you make Pancake Casserole, go ahead and double the recipe. It’s perfect for reheating on busy mornings. You can portion it out for the week or have it as an easy breakfast-for-dinner option. Trust me, it’s worth having extra.
Get the Recipe: Pancake Casserole
Broccoli Casserole

A quick option for busy days, Broccoli Casserole is a dish that always works for the table. It’s hearty and makes an easy meal when doubled for leftovers. There’s no worry about what to pack for lunch when this is in the fridge. It’s easy to enjoy the next day without feeling you’re eating the same thing.
Get the Recipe: Broccoli Casserole
Vegan Tater Tot Casserole

Sometimes you just want something filling, and Vegan Tater Tot Casserole delivers without feeling heavy. Doubling up ensures extra portions to heat up when pressed for time. You can enjoy every bite again the next day without any hassle. It’s simple to make and great for leftovers.
Get the Recipe: Vegan Tater Tot Casserole
Eggplant Casserole

Making Eggplant Casserole means you’ve got an easy dinner ready for now and a backup for later. It’s the kind of meal that works for a crowd or just yourself. Doubling this dish always feels smart, it reheats beautifully and gets tastier overnight. You’ll be glad to reach into the fridge for this one tomorrow.
Get the Recipe: Eggplant Casserole
Cheesy Cauliflower Casserole

A warm pan of Cheesy Cauliflower Casserole brings creamy comfort to the table. It’s hard to stop at just one serving, so doubling up ensures leftovers for later. You can reheat it for a quick lunch or load it into your dinner rotation the next day. Meals like this are always worth having extra on hand.
Get the Recipe: Cheesy Cauliflower Casserole
Egg and Potato Breakfast Casserole

Planning breakfast for more than one day doesn’t get easier than with Egg and Potato Breakfast Casserole. It’s reliable, filling, and just as good reheated. Make two pans so tomorrow’s breakfast is already ready to go. Weekdays run smoother when leftovers work this hard.
Get the Recipe: Egg and Potato Breakfast Casserole
Green Bean Casserole

There’s always room for another serving of Green Bean Casserole, so double up from the start. It’s classic, and there’s no reason not to make extra. Leftovers are just as good and somehow disappear even faster. You’ll appreciate the prep work when you aren’t cooking tomorrow.
Get the Recipe: Green Bean Casserole
Brussels Sprouts Casserole

Some casseroles are so good you’ll regret not making more. That’s why doubling Brussels Sprouts Casserole makes perfect sense; a second one means less cooking later. It’s rich, filling, and a nice switch-up from salads or roasted veggies. Leftovers are handy for quick lunches or paired with a protein for an easy dinner.
Get the Recipe: Brussels Sprouts Casserole
Cinnamon Roll Casserole

Why stop at one when two pans of Cinnamon Roll Casserole barely last anyway? It’s easy to reheat for quick breakfasts during the week or when you need a sweet snack. Doubling the recipe saves time and cuts back on mess later. Plus, it’s nice to have extra if you’re entertaining or just craving seconds later.
Get the Recipe: Cinnamon Roll Casserole
Egg Casserole

Weekdays get easier when you’ve made extra Egg Casserole, and there’s no guessing what’s for breakfast. It’s perfect for feeding crowds or meal-prepping for a few mornings ahead. Just heat and eat; no effort required once it’s ready. One pan is good, but two feels like a smart move every time.
Get the Recipe: Egg Casserole
Pineapple Casserole

Making extra batch of Pineapple Casserole is a no-brainer for something this unexpected yet comforting. Leftover slices pair well with grilled meats or can easily stand alone as a snack. It’s handy when you want something a little different and don’t feel like cooking every meal. Trust, it’s worth the tiny bit of extra effort in the beginning.
Get the Recipe: Pineapple Casserole
Hashbrown Casserole

Once you try Hashbrown Casserole, meal prep will never be the same. It’s one of those dishes that reheats so well, it tastes just as good the second (or third) time. Doubling it up means fewer kitchen sessions later. Serve it as a side or breakfast, and you’ll appreciate having extras on hand.
Get the Recipe: Hashbrown Casserole
French Toast Casserole

Breakfast is stress-free when you’ve got leftover French Toast Casserole waiting in the fridge. Make two pans, because one is never enough for something so cozy and versatile. Reheated slices are perfect for busy mornings, lazy brunches, or even dessert. You’ll thank yourself for making an extra when you’re pulling out a second dish days later.
Get the Recipe: French Toast Casserole
Potato Casserole

Leftover Potato Casserole is basically the MVP of any fridge. Doubling the recipe is always a smart move since it disappears fast at meals. Whether it’s a weekday side or part of a big gathering, it just works. Plus, heating some up later feels effortless, which is always a win.
Get the Recipe: Potato Casserole
Yellow Squash Casserole

Running out of Yellow Squash Casserole happens often, so why not double it? This dish goes with almost everything and turns into a quick side during the week. It saves time, and the leftovers are just as good. Plus, it’s an easy way to use up produce without wasting any.
Get the Recipe: Yellow Squash Casserole
Sweet Potato Casserole With Marshmallows

Extra pans of Sweet Potato Casserole With Marshmallows are a blessing when cravings strike after everyone’s left the table. It reheats like a dream and feels special, even as leftovers. One pan goes quickly, so making two is smarter than guessing when it’s all gone. You’ll be glad later when you’re enjoying an effortless bite.
Get the Recipe: Sweet Potato Casserole With Marshmallows
Wild Rice Casserole

If you haven’t doubled your Wild Rice Casserole yet, you’re missing out on easy meal solutions. Extra portions of this as a side or standalone dish make midweek lunches almost effortless. Leftovers are just as good and make a great companion to any protein you have on hand. Two pans might seem extra now but never lasts long.
Get the Recipe: Wild Rice Casserole
Vegetable Casserole

Making more of Vegetable Casserole means you have a nutritious option on hand for multiple meals. Packed with veggies, it works as a side, main, or even a quick snack. Doubling it reduces cooking later in the week and keeps things convenient. It’s worth the upfront effort for how useful those leftovers turn out.
Get the Recipe: Vegetable Casserole
