Name: Chocolate Chip Cookie Cake with Buttercream Frosting Recipe
Prep time: 20 min
Cook time: 20 min
Total time: 40 min
Cuisine: American
Ingredients: 3/4 cup (168g) unsalted butter, room temperature; 1/2 cup (112g) packed light brown sugar; 1/4 cup (52g) sugar; 1 large egg; 2 tsp vanilla extract; 2 cups (260g) all purpose flour; 2 tsp cornstarch; 1 tsp baking soda; 1/2 tsp salt; 1 1/4 cups (211g) semi-sweet chocolate chips; 1/2 cup (112g) unsalted butter, room temperature; 1 3/4 cups (201g) powdered sugar; 1/4 cup (29g) natural unsweetened cocoa powder; 1/2 tsp vanilla extract; 1-2 tbsp heavy cream

Print Recipe· 4.2 from 3 reviews

If you have a sweet tooth and crave something that combines the best of both worlds—cookies and cake—then you are in for a treat with this Chocolate Chip Cookie Cake with Buttercream Frosting Recipe. It’s a delightful twist on the classic chocolate chip cookie, baked as a soft, thick cake and topped with smooth, luscious chocolate buttercream frosting. This recipe brings nostalgic comfort and celebration-worthy charm to your kitchen, perfect for birthdays, gatherings, or just when you want to make any ordinary day extraordinary.

Ingredients You’ll Need

The image shows twelve small clear glass bowls arranged on a white marbled surface. Each bowl contains a different baking ingredient: one with bright yellow raw egg yolk, a small bowl of pale yellow butter sticks, a bowl of white heavy cream, a bowl of white sugar, a small bowl of light grey salt, a small bowl of white cornstarch, a small bowl of dark brown vanilla extract, a medium bowl of white powdered sugar, a medium bowl of all purpose flour with a slightly rough texture, a bowl of light brown packed light brown sugar, a small bowl of dark brown cocoa powder with a fine texture, and a medium bowl filled with dark brown to black chocolate chips, which have a smooth texture. All bowls are evenly spaced with clear labels on each ingredient. Photo taken with an iphone --ar 4:5 --v 7

This Chocolate Chip Cookie Cake with Buttercream Frosting Recipe uses simple pantry staples that come together to create amazing textures and rich flavors. Each ingredient plays a vital role, whether it’s enhancing the chewiness, sweetness, or that melt-in-your-mouth buttercream finish.

3/4 cup (168g) unsalted butter, room temperature: Provides a creamy base for the cookie dough, ensuring tender, rich flavor.
1/2 cup (112g) packed light brown sugar: Adds moisture and a subtle caramel note for deeper flavor.
1/4 cup (52g) sugar: Balances sweetness and helps create that slightly crisp cookie edge.
1 large egg: Binds ingredients together and contributes to the cake’s soft structure.
2 tsp vanilla extract: Enhances overall flavor with warm, aromatic notes.
2 cups (260g) all purpose flour: The foundation that gives the cake its body and chewiness.
2 tsp cornstarch: Adds tenderness and a delicate crumb.
1 tsp baking soda: Helps the cake rise just enough to feel soft and cakey.
1/2 tsp salt: Balances sweetness and intensifies the chocolate flavor.
1 1/4 cups (211g) semi-sweet chocolate chips: Melts into gooey pockets of chocolate throughout the cake.
1/2 cup (112g) unsalted butter, room temperature (for frosting): Creates a rich and creamy buttercream base.
1 3/4 cups (201g) powdered sugar: Sweetens and thickens the frosting to perfect spreadable consistency.
1/4 cup (29g) natural unsweetened cocoa powder: Delivers that deep chocolate flavor for the frosting.
1/2 tsp vanilla extract (for frosting): Adds warmth and boosts the chocolate notes.
1-2 tbsp heavy cream (for frosting): Adjusts frosting texture for easy piping and spreading.

How to Make Chocolate Chip Cookie Cake with Buttercream Frosting Recipe

Step 1: Prepare Your Pan and Oven

Start by preheating your oven to 350°F (180°C). This step ensures the cake bakes evenly and develops the perfect golden edges. Grease a 9-inch cake pan with baking spray and line the bottom with parchment paper to prevent sticking and make removal a breeze.

Step 2: Mix Dry Ingredients

In a medium bowl, whisk together the flour, cornstarch, baking soda, and salt. Sifting these ingredients together is optional but helps prevent lumps and ensures even rising.

Step 3: Cream the Butter and Sugars

Using a mixer on medium speed, beat the room temperature butter, brown sugar, and granulated sugar until the mixture looks light and fluffy. This can take 2 to 3 minutes and is a critical step to create that soft, tender crumb in the cookie cake.

Step 4: Add Egg and Vanilla

Mix in the egg and vanilla extract until fully incorporated. These ingredients bring moisture and flavor depth, which are essential for a rich cake.

Step 5: Combine Dry and Wet Ingredients

Slowly add the dry ingredients to the wet mixture and mix just until combined. Avoid over mixing to keep the cake tender. Use a rubber spatula to fold the dough gently, allowing it to come together.

Step 6: Fold in Chocolate Chips

Now for the star of the show: fold in 1 1/4 cups of chocolate chips. The dough will be thick and studded with melty chocolate morsels that make every bite a pleasure.

Step 7: Press Dough into Pan and Bake

Press the cookie dough evenly into your prepared pan. To add a little extra chocolate goodness, you can press a few more chocolate chips on top. Bake for 18-20 minutes until the edges turn a lovely golden brown. Remember, the center should remain soft but set.

Step 8: Cool Completely

After baking, allow the cookie cake to cool completely in the pan before transferring it to a serving plate. This prevents breakage and ensures your buttercream will spread smoothly.

Step 9: Make the Chocolate Buttercream Frosting

In a clean bowl, beat the frosting butter until smooth and creamy. Add half of the powdered sugar and continue beating until smooth. Mix in the cocoa powder, vanilla extract, and one tablespoon of heavy cream until well combined. Then add the remaining powdered sugar and blend again. Adjust with more cream as needed to reach a soft but pipeable consistency.

Step 10: Pipe the Buttercream

Fill a piping bag fitted with your favorite tip with the chocolate buttercream. Pipe decorative swirls around the cookie cake’s edges or across the top for a stunning finish. This luxurious frosting adds the perfect sweet, silky touch.

How to Serve Chocolate Chip Cookie Cake with Buttercream Frosting Recipe

A close-up view of a single thick layer of raw cookie dough spread evenly in a round white baking pan, with many dark brown chocolate chips scattered throughout the pale yellow dough, some chips slightly pressed into the surface. The pan sits on a smooth white marbled texture background. photo taken with an iphone --ar 4:5 --v 7

Garnishes

Sprinkle extra chocolate chips or mini chocolate chunks on top for added texture and a visual feast. You can also add colorful sprinkles or edible glitter to match celebratory moods and bring fun to the presentation.

Side Dishes

This dessert pairs wonderfully with vanilla bean ice cream or a dollop of freshly whipped cream. A glass of cold milk or a lightly brewed coffee also complements the rich, chocolatey flavors beautifully.

Creative Ways to Present

For a party, slice the cookie cake into bite-sized squares and serve on decorative trays. Alternatively, layer small cookie cakes with frosting in between to make mini stacked desserts. Personalize the frosting designs with themed piping or edible flowers to wow your guests.

Make Ahead and Storage

Storing Leftovers

You can store your leftover cookie cake in an airtight container at room temperature for about 24 hours. After that, place it in the refrigerator to keep the buttercream fresh. Let it warm up slightly before serving so the cookie softens again.

Freezing

Wrap the cookie cake tightly in plastic wrap and then aluminum foil before freezing. It will keep well for up to 3 months. When ready, thaw overnight in the refrigerator and bring to room temperature before enjoying.

Reheating

To revive the freshly baked feel, warm individual slices in the microwave for about 10-15 seconds. Avoid overheating to keep the buttercream intact and the cookie soft.

FAQs

Can I use different types of chocolate chips?

Absolutely! Feel free to swap semi-sweet chocolate chips for milk chocolate, dark chocolate, or even white chocolate chips to customize your cookie cake to your liking.

Is this recipe suitable for gluten-free baking?

This particular recipe calls for all-purpose flour, which contains gluten. To make it gluten-free, try substituting a gluten-free flour blend designed for baking, but keep in mind the texture might vary slightly.

Can I make this recipe without an electric mixer?

Yes, you can mix the cookie dough and frosting by hand using a sturdy spoon and whisk. It will take a bit more elbow grease, especially when creaming the butter and sugar, but the delicious results are worth it.

How do I know when the cookie cake is properly baked?

The edges should be golden and the center set but still soft to the touch. It will firm up as it cools, so be careful not to overbake or it may dry out.

Can I substitute the buttercream frosting with another type of frosting?

Definitely! Cream cheese frosting or a simple glaze both complement this cookie cake beautifully if you prefer something less rich or want to switch up the flavor profile.

Final Thoughts

There is something irresistibly joyful about the Chocolate Chip Cookie Cake with Buttercream Frosting Recipe that makes it a real crowd-pleaser. I encourage you to try this recipe the next time you want a homemade dessert that feels both classic and special. Whether shared with friends or savored solo, it’s sure to bring smiles and sweet memories!