Name: Giant Cookie Cake
Prep time: 30 min
Cook time: 16 min
Total time: 46 min
Cuisine: American
Ingredients: 1.5 cups unsalted butter, softened; 1.5 cups light brown sugar; 1/2 cup granulated sugar; 2 large eggs; 4 teaspoons vanilla extract; 4 cups all-purpose flour; 4 teaspoons cornstarch; 2 teaspoons baking soda; 1 teaspoon salt; 2 cups chocolate chips; 1 cup unsalted butter (frosting); 3 cups powdered sugar; 2-3 tablespoons heavy cream; 1 teaspoon vanilla extract (frosting); pinch of salt

Jump to Recipe

Giant Cookie Cake is the perfect dessert when you want something fun, shareable, and full of classic flavor. This oversized treat combines everything people love about a large chocolate chip cookie with the festive feel of a cake. Whether you’re planning party baking or a casual weekend dessert, this recipe delivers a soft center, crisp edges, and sweet vanilla icing on top. Plus, it works beautifully as an easy celebration cake for birthdays, gatherings, or any special moment.

Story

I started making Giant Cookie Cake for birthdays when I wanted something less formal than a layered cake but still just as exciting. Over time, it became my go-to dessert for celebrations because Giant Cookie Cake feels both nostalgic and festive. Instead of slicing delicate cake layers, you get thick, chewy wedges packed with chocolate chips.

What makes Giant Cookie Cake stand out is how simple it feels while still looking impressive. I remember bringing a Giant Cookie Cake to a family party, and it disappeared faster than anything else on the table. Since then, I’ve tested different methods, and this version consistently gives the best texture and flavor.

Another reason I love Giant Cookie Cake is its flexibility. You can decorate it with colorful frosting, add sprinkles, or write a message right on top. Because of that, Giant Cookie Cake fits any occasion, from birthdays to casual get-togethers. Once you try it, you’ll see why it quickly becomes a favorite.

Ingredients

1.5 cups unsalted butter, softened
1.5 cups light brown sugar
½ cup granulated sugar
2 large eggs
4 teaspoons vanilla extract
4 cups all-purpose flour
4 teaspoons cornstarch
2 teaspoons baking soda
1 teaspoon salt
2 cups chocolate chips (plus extra for topping)

Vanilla Frosting:

1 cup unsalted butter, softened
3 cups powdered sugar
2–3 tablespoons heavy cream
1 teaspoon vanilla extract
Pinch of salt

Step-by-Step Instructions

Preparing the Ingredients

First, bring the butter and eggs to room temperature so they mix smoothly. Then, whisk together the flour, cornstarch, baking soda, and salt in a bowl. Meanwhile, cream the butter with both sugars until light and fluffy. After that, add the eggs and vanilla, mixing until combined. Gradually add the dry ingredients while mixing on low speed, then fold in the chocolate chips. Wrap the dough and chill it for at least a few hours or overnight for better flavor.

Cooking Instructions

Preheat your oven to 350°F and grease a large pizza pan or line it with parchment paper. Next, press the chilled dough evenly into the pan, making sure it reaches the edges. Add extra chocolate chips on top for a bakery-style finish. Bake for about 16 minutes until the edges turn golden but the center stays soft. Let the cookie cool completely in the pan before frosting. While it cools, prepare the frosting by beating butter, powdered sugar, cream, vanilla, and salt until smooth and fluffy.

Tips for Perfect Results

Common Mistakes to Avoid

Avoid overmixing the dough, as it can make the cookie dense instead of soft. Also, do not skip chilling the dough because it improves both texture and flavor. Another common issue is overbaking, which leads to a dry cookie cake. Always remove it when the center still looks slightly soft since it will continue to set as it cools.

Pro Tips for Better Flavor

For richer flavor, use high-quality chocolate chips and real vanilla extract. You can also add a pinch of sea salt on top before baking to balance sweetness. If you want a thicker cookie cake, press the dough slightly higher toward the edges. Additionally, chilling the dough overnight creates a deeper, more developed taste.

Serving and Storage

How to Serve

Slice the Giant Cookie Cake into wedges like a pizza and serve at room temperature. It pairs well with milk, coffee, or even a scoop of vanilla ice cream. For celebrations, decorate the top with piped frosting, sprinkles, or a personalized message to match the occasion.

How to Store Leftovers

Store leftover slices in an airtight container at room temperature for up to three days. If you want to keep it longer, refrigerate it for up to a week. Before serving again, let it sit at room temperature so the texture softens. You can also freeze slices for up to two months and thaw when needed.

Conclusion

Giant Cookie Cake brings together the best parts of cookies and cake in one simple recipe. It looks impressive, tastes incredible, and works for almost any celebration. Once you make it, you’ll find yourself coming back to this recipe again and again for birthdays, parties, or just because you want something sweet and satisfying.

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Frequently Asked Questions

Can I make Giant Cookie Cake without chilling the dough?

Yes, you can skip chilling if you are short on time, but the texture and flavor will not be as rich. Chilling helps the dough firm up and allows the flavors to develop, which makes a noticeable difference in the final result.

What size pan should I use for a Giant Cookie Cake?

A 14 to 15-inch round pizza pan works best because it creates an even thickness and classic cookie cake shape. If you use a smaller pan, the cookie will be thicker and may need a longer baking time.

Can I customize the toppings and frosting?

Absolutely. You can change the frosting color, add sprinkles, or even swap chocolate chips for other mix-ins like candy pieces or nuts. This makes the recipe easy to adapt for different themes and occasions.