Cookie Cake

Cookie Cake is my go-to for celebrations when I want something fun but easier than baking a whole batch of cookies. The base is soft and chewy, packed with chocolate chips, and the chocolate buttercream frosting is rich and smooth. It’s sweet, festive, and way simpler to serve than a layered cake.

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I make this dessert for birthdays, kids’ parties, and office gatherings because it’s a crowd-pleaser and everyone always goes back for seconds. It’s also perfect for Valentine’s Day, Mother’s Day, and potlucks because it travels well and everyone can just grab a slice. It stays fresh at room temperature for 2 to 3 days or in the fridge for up to a week.

Ingredients You’ll Need

You’ll need all the ingredients shown in the photograph below.

How to Make Cookie Cake with Step-By-Step Instructions

Scroll down for the full recipe card containing a full printable recipe and measurements in both US customary and metric units.

I’ll walk you through making this delicious homemade cookie cake from the cookie base to the final frosting.

Prep the Pan

Preheat the oven to 350°F (180°C). Grease a 9-inch round cake pan with cooking spray and line the bottom with round parchment paper. The parchment prevents sticking and makes it easier to remove the cookie cake once it’s cooled.

I love using a nonstick springform pan because it makes removing the cookie cake easier without flipping it upside down, and you can release the sides to transfer it directly to a serving plate without any lifting.

Make the Cookie Dough

In a mixing bowl, beat the softened butter, brown sugar, and sugar until light and fluffy, for about 2–3 minutes using a hand mixer. The butter should be soft enough to cream easily but not melted.

Add the eggs one at a time, mixing well after each to make sure your mixture stays smooth and lump-free. Stir in the vanilla.

Combine the Dry Ingredients

Add the flour, salt, and baking soda. Mix on low just until combined. Don’t overmix once you add the flour, or the cookie cake will turn out tough instead of tender.

Fold in 1 cup of the chocolate chips. You want them evenly distributed so you get a burst of chocolate flavor in every bite.

Fill the Pan

Now, transfer the dough into the prepared pan. Use a flexible silicone spatula to spread the dough to the edges of the pan so it bakes evenly.

Sprinkle the remaining 2 tablespoons of chocolate chips on top.

Bake the Cookie Cake

Bake for 20–25 minutes, until lightly golden and set. The center might look slightly underdone, but it will firm up as it cools. Don’t overbake or the edges will get hard.

Let your chocolate chip cookie cake cool completely in the pan.

Make the Chocolate Frosting

In a bowl, beat the butter, cocoa powder, milk, and vanilla extract until smooth. Add the powdered sugar and beat until fluffy, about 1–2 minutes.

Transfer the frosting to a piping bag with a star tip or use a zip-top bag. If you don’t have a piping bag, you can spread the frosting with an offset spatula instead.

Decorate and Serve

Remove the cooled cookie cake from the pan and place it on a serving plate. Pipe decorative swirls of frosting around the edges and add sprinkles if desired. You can pipe the frosting however you like or spread it across the entire top.

Using a sharp chef’s knife, slice the cake into even pieces, then wipe the knife clean between cuts so the frosting doesn’t smudge onto each slice. No need to use a fork here; you can just grab a piece like you’re eating individual cookies, and bite right into it.

Enjoy!

If you’re planning to take this cookie cake to a party or gathering, refrigerate it for 30 minutes before transporting so the frosting firms up, and place it in a hard-sided cake container with a dome lid to protect the decorations during travel.

How to Store Leftovers

If unfrosted, you can keep the cookie cake at room temperature in an airtight container or covered with plastic wrap for 2 to 3 days. The cookie base stays soft, but once frosted, I suggest you refrigerate it for up to a week so the frosting stays firm and stable.

For longer storage, wrap individual slices in plastic wrap and freeze in a freezer-safe container for up to 2 months. Thaw frozen slices at room temperature for about 30 minutes before serving, and the texture comes right back.

What to Serve With Cookie Cake

Serve cookie cake with a scoop of vanilla ice cream on the side so it melts into the warm cookie base. Fresh strawberries or raspberries are also great for a tart contrast to the sweet frosting. You can also pair it with cold milk or hot coffee for a simple dessert setup.

It works well alongside other party desserts like brownies, cupcakes, or fruit platters. For kids’ parties, serve it with lemonade or fruit punch. The cookie cake is rich enough to stand alone, but these pairings round out a dessert table without competing for attention.

More Easy Dessert Recipes for You to Try at Home

You’ll love these other party desserts perfect for birthdays and gatherings.

• Chocolate Chip Cookies
• Chocolate Cake
• Oreo Balls
• Whoopie Pie
• Boston Cream Pie Cupcakes