Giant Chocolate Chip Cookie Cake

This Giant Chocolate Chip Cookie Cake is everything I want from a celebration dessert: golden, buttery edges, a soft and chewy center, and plenty of melty semisweet chocolate in every slice. Chopped walnuts add just enough crunch to balance the rich cookie dough, while brown sugar gives the finished cookie a deeper caramel flavor and extra chewiness. The recipe is baked in a 14-inch pizza pan, so you get the fun of a cookie cake without needing any special cake pans.

I especially like this one for birthdays, school celebrations, and casual family get-togethers because it looks impressive without adding much work to the day. The dough comes together in about 10 minutes, and the whole cookie can be sliced into wedges just like a pizza. My kids always go straight for the pieces with the most chocolate chips, and I can’t blame them.

Serve it plain while it’s still a little warm, or let it cool completely and decorate it with frosting for a birthday-cookie look.

Love this recipe? Pin it to your Dessert Recipes board on Pinterest so you don’t lose it!

Ingredients

1 cup unsalted butter, softened

¾ cup granulated sugar

¾ cup packed brown sugar

1 tsp vanilla extract

2 large eggs

2 ¼ cups all-purpose flour

1 tsp salt

1 tsp baking soda

2 cups semisweet chocolate chips

1 cup walnuts, chopped

Instructions

1. Prepare the pan. Preheat the oven to 190°C / 375°F. Lightly grease a 14-inch round pizza pan, making sure to coat the edges as well as the center.
2. Cream the butter and sugars. In a large mixing bowl, beat the softened butter, granulated sugar, brown sugar, and vanilla with an electric mixer on medium speed until pale, creamy, and fluffy.
3. Add the eggs. Beat in the eggs one at a time. Mix thoroughly after each egg so the mixture stays smooth and evenly combined.
4. Finish the dough. Gradually mix in the flour, salt, and baking soda. Stop mixing as soon as no dry streaks of flour remain; overmixing can make the cookie tougher.
5. Add the chocolate and walnuts. Fold in the chocolate chips and chopped walnuts until evenly distributed throughout the dough.
6. Fill the pan. Transfer the dough to the prepared pizza pan. Press and spread it into an even layer so the cookie bakes consistently from edge to center.
7. Bake. Bake at 190°C / 375°F for 20-25 minutes, or until the edges and surface are golden and the center looks set but remains slightly soft.
8. Cool. Set the entire pan on a wire cooling rack. Allow the cookie to cool in the pan before slicing or decorating.

Cooking Notes

For the best texture, do not wait until the center looks completely dry before removing the cookie from the oven. Residual heat continues to cook the center as the cookie cools.

Make sure the butter is softened, not melted. Melted butter changes how the dough spreads and can produce a flatter, greasier cookie.

For a nut-free version, simply leave out the walnuts. You can replace them with additional chocolate chips if desired.

A light-colored pizza pan is preferable when available. Dark pans absorb heat more aggressively and may brown the bottom before the center finishes baking.

Cool completely before adding buttercream or other decorations; frosting will melt on a warm cookie.

Nutrition

The original recipe yields one 14-inch cookie, cut into 16 servings. A practical serving is approximately one-sixteenth of the finished cookie. Ingredient-based estimates closely align with the supplied nutrition information, although exact values vary by chocolate, butter, walnut size, and final moisture loss during baking.

Estimated Nutrition per Serving

• Calories: 400 kcal
• Fat: 23.0 g
• Carb: 47.0 g
• Protein: 5.0 g

Recipe Science

A giant cookie cake uses essentially the same building blocks as a classic chocolate chip cookie: butter, two types of sugar, eggs, flour, leavening, chocolate, and nuts. Instead of portioning the dough into individual cookies, it is spread into a single shallow layer. The large format changes the balance of textures; there is less exposed surface area, helping the interior retain moisture while the perimeter develops a firmer, browned edge.

Creaming softened butter with sugar incorporates tiny pockets of air, while brown sugar contributes moisture and caramel-like flavor. Eggs provide structure and richness, and flour forms the framework that holds the cookie together. Baking soda encourages spreading and browning. The relatively short 20-25 minute baking time is important because an oversized cookie can become dry if the center is baked until it appears completely firm.

For storage, keep the cooled cookie tightly covered at room temperature for about three days. Individual slices can also be frozen and thawed as needed. Walnuts are optional and can be omitted for allergy considerations or replaced with another suitable baking mix-in.

Dietary Notes & Health Alerts: At approximately 12 g saturated fat per serving, the supplied nutrition data represents about 60% of the FDA Daily Value of 20 g, qualifying as high. This is a rich dessert, so portion size matters. Sodium, at about 320 mg per serving, is below the 20% Daily Value threshold. The supplied nutrition information lists total sugars rather than added sugars, so an exact added-sugar Daily Value comparison cannot be established from that figure alone.

Why You’ll Love This Recipe

• Big Cookie, Easy Method: You get the impact of a celebration cake without stacking layers or shaping individual cookies.
• Classic Cookie Texture: Golden edges contrast beautifully with the softer, chewier middle.
• Loaded With Chocolate: Two full cups of semisweet chocolate chips provide chocolate throughout the entire cookie.
• Celebration Friendly: Once cooled, the flat surface is perfect for piped frosting, birthday messages, or simple decorations.
• Easy to Customize: Skip the walnuts, change the chocolate chips, or add your favorite cookie mix-ins.

FAQ

• Can I leave out the walnuts? Yes. The walnuts can be omitted without changing the basic baking method. Replace them with more chocolate chips if you’d like an extra-chocolate version.
• Why did my cookie cake turn out dry? Overbaking is the most likely culprit. Remove it once the edges are golden and the center has set but still appears slightly soft.
• Can I make the dough ahead of time? Yes. Prepare and refrigerate the dough, tightly covered, for up to 24 hours. Let it soften slightly at room temperature so it can be spread evenly in the pan.
• Can I decorate it like a birthday cake? Absolutely. Cool the cookie completely first, then pipe buttercream around the border or add a message in the center.
• How should leftovers be reheated? A few seconds in the microwave can soften an individual slice and make the chocolate pleasantly melty again. Avoid overheating, which can make the cookie tough.

Conclusion

There is something wonderfully nostalgic about putting a giant, chocolate-packed cookie in the middle of the table and letting everyone claim a slice. Cooking and baking are always a little personal, so don’t hesitate to skip the nuts, change the chocolate, or decorate this cookie in a way that makes it yours.

What would you put on top of your giant cookie cake: frosting, ice cream, or nothing at all? Happy baking from my kitchen to yours!