Chocolate Chip Cookie Cake

My favorite way to eat a chocolate chip cookie – when it’s the size of a cake! Decorate with frosting, slice, and serve. 

Chocolate Chip Cookie Cake with Milk Chocolate Frosting - the best way to eat a chocolate chip cookie! Recipe on

This is going to be your new favorite dessert. In fact, if you make 1 cake recipe from my blog, this has got to be it. Here’s why: It’s incredibly simple, super quick, straightforward, easy ingredients, there’s chocolate, more chocolate, chewy edges, a soft center, and three words: milk chocolate frosting. It’s a thick, soft-baked chocolate chip cookie the size of a cake. Are you convinced yet?

If you know me at all, you know I’m a fan of giant cookies. Let’s see… Giant Reese’s Pieces Cookie, Giant Oatmeal Creme Pie, XXL Death by Chocolate Cookie, Giant Snickerdoodle Cookie, Giant Peanut Butter Monster Cookie, and a Giant Sugar Cookie to finish it all off. Have you tried any of my giant cookie recipes yet?

Today’s cookie cake is much larger than any of my 2-serving giant cookie recipes. Rather, this thing is 9 inches in diameter and uses enough cookie dough to bake 24 cookies. So, I don’t suggest eating the entire cake…

Chocolate Chip Cookie Cake with Milk Chocolate Frosting - the best way to eat a chocolate chip cookie! Recipe on

To make today’s giant chocolate chip cookie cake, I combined two of my favorite chocolate chip cookie recipes. These (1) soft chocolate chip cookies and these (2) chewy chocolate chunk cookies.

I learned from recipe #1 that adding cornstarch to cookie dough will create exceptionally soft, thick baked cookies. Ever since then, I’ve always added cornstarch to my chocolate chip cookies. You all seem to love the addition of cornstarch in cookies – and I had to add it to the cake! This soft-baked cookie cake will melt in your mouth.

Additionally, I use all brown sugar in this cookie cake recipe. Something you don’t often find in chocolate chip cookies. You see, I often use a higher ratio of brown sugar to white sugar in my cookie recipes because brown sugar lends a softer textured cookie. Today, I skipped the white sugar altogether so that this cake would be ultra soft, moist, and have a light molasses flavor present. You’re going to love it!

I learned from recipe #2 that adding an extra egg yolk to cookie dough will give you chewy cookies. The chewiest of chewy, trust me. The extra egg yolk also adds tenderness and extra richness to the cake. Trust me, you’ll need a glass of milk. Or maybe even a big scoop of vanilla ice cream? Yes!

You’ll bake the chocolate chip cookie cake in a 9-inch cake pan or pie dish. Alternatively, you could use a 9-inch or 8-inch square baking pan. Since this giant cookie cake is baked in a pan, there’s no need to roll individual cookies. Skip the hassle, this cake is much easier! Oh and did I mention there’s no dough chilling? Yup, less time waiting around and more time eating.

Chocolate Chip Cookie Cake with Milk Chocolate Frosting - the best way to eat a chocolate chip cookie! Recipe on

Chocolate Chip Cookie Cake with Milk Chocolate Frosting - the best way to eat a chocolate chip cookie! Recipe on

The chocolate buttercream was a complete afterthought. It was Kevin’s idea. The same man who suggested peanut butter frosting on these and came up with chocolate chip cookie brownie bars.

He’s definitely a keeper.

This is the perfect recipe when you’re looking for something a little different than a birthday cake and a little more exciting than a chocolate chip cookie. Soft and rich in the center, chewy on the edges, and studded with more chocolate chips than you know what to do with. (That’s a good thing.)

Chocolate Chip Cookie Cake with Milk Chocolate Frosting - the best way to eat a chocolate chip cookie! Recipe on

This cake is a win-win-win situation. Just make sure you have a glass of milk handy!

More chocolate chip cookies to love:


Chocolate Chip Cookie Cake

  • Author: Sally
  • Prep Time: 20 minutes
  • Cook Time: 25 minutes
  • Total Time: 2 hours
  • Yield: one 9-inch cake
  • Category: Cake
  • Method: Baking
  • Cuisine: American


My favorite way to eat a chocolate chip cookie – when it’s the size of a cake! Decorate with frosting, slice, and serve. 


  • 3/4 cup (170g) unsalted butter, softened to room temperature
  • 1 cup (200g) packed light or dark brown sugar
  • 1 large egg + 1 egg yolk*
  • 2 teaspoons pure vanilla extract
  • 2 cups (250g) all-purpose flour (spoon & leveled)
  • 2 teaspoons cornstarch (aka cornflour)
  • 1 teaspoon baking soda
  • 1/2 teaspoon salt
  • 1 and 1/2 cup (225g) semi-sweet chocolate chips
  • optional: chocolate buttercream for topping


  1. Preheat oven to 350°F (177°C). Spray a 9-inch pie dish or cake pan with nonstick spray. Set aside.
  2. In a large bowl using a hand-held mixer or stand mixer fittedwith paddle attachment, beat the butter for 1 minute on medium speed until completely smooth and creamy. Add the brown sugar and beat on medium speed until creamy, about 1 minute. Mix in egg, egg yolk, and vanilla on medium-high speed until combined. Scrape down the sides and bottom of the bowl as needed.
  3. In a separate bowl, combine flour, cornstarch, baking soda and salt. On low speed, slowly mix into the wet ingredients until combined. The cookie dough will be quite thick. Add 1 and 1/4 cups chocolate chips and mix for about 5 seconds until evenly disbursed.
  4. Press the cookie dough evenly into the prepared pan. Bake for 20-25 minutes or until the cake is lightly golden brown (could be up to 30 minutes, depending on your oven). Use a toothpick to test for doneness. You may want to cover the cake loosely with aluminum foil after 15 minutes to avoid heavy browning around the edges. Remove from the oven and set the pan on a wire rack to cool completely. Once cooled, use a sharp knife or metal spatula to loosen the sides of the cookie cake from the pan and transfer to a serving dish. (Or use can serve directly from the pan.)
  5. The chocolate buttercream is optional. Instead, decorate with whipped cream or top with vanilla ice cream.
  6. Decorate the cooled cookie cake with frosting and remaining 1/4 cup chocolate chips. Depending how much frosting you use, you may have some leftover. I used a Wilton 1M tip. Cookie cake remains fresh covered tightly at room temperature for up to 3 days.


  1. Eggs: I prefer room temperature eggs for my cookie cake. Room temperature eggs incorporate evenly into your cookie dough – guaranteeing a uniform texture in each bite of the cookie cake. Simply set out the eggs when you set out the butter to come to room temperature. If you forget to set out your eggs, no worries. Place them into a bowl of warm water for 5 minutes, then use.

Keywords: chocolate chip cookie cake

The BEST Chocolate Chip Cookie Cake!


  1. Loved this recipe, only problem I had was that it took about 45 minutes to actually cook through. I’ll try again and divide into two 8×8 , won’t be as big but hey, it’s summer In Florida and I’m not trying to have the oven on a whole hour!

  2. Hi Sally! This cake tastes delicious, but on my first attempt I might have experienced some problems with my oven, as I had to bake for over 30 minutes and I have the impression it ended up a bit overcooked. After 20 minutes it was clearly not ready yet, as I could see the dough moving when gently shaking the pan. So I kept baking for another 5 minutes, but it didn’t improve much. And I might have been mislead by the toothpick test, as I kept picking chocolate chips… After 30 minutes I decided to take it out of the oven anyway, and let it cool down. But the cake was a bit crunchy, while I was expecting more of a soft texture, similar to that of your chocolate chip cookie dough cupcakes, which I love! Also, my cake was thicker than the one you show in the picture – even though I used a 9-inch pan and followed the recipe to a T. I wonder whether this might have impacted on the baking time.

    1. I made this as dessert at thanksgiving since we don’t really do pies. But I noticed it was a lot of dough for my 9 inch cake pan, so i made a fairly thin layer of cookie dough in the pan & made the original “crust” parts, & whatever was left over I put into another pan & made more, like a whole 6×6 square cookie cake. Recipe definitely is bigger than a 9-inch, but man I tell you, it was delicious.

    2. Gabrielle, or anyone else this happens to, it was crunchy because you overcooked it. The toothpick test doesn’t apply to chocolate chip cookies like a chocolate cake or cupcakes because they have to set when you pull them out. You have to look at the color. Once you see they are getting a very slight golden brown pull them from the oven and let them set. They will get firmer and become the perfect texture as they cool. If the all the edges become a rich brown in the oven they have already been overcooked.

  3. Triple the recipe and you’ll have enough for a 1/2 sheet cake! I bake at 350 for 35-40 mins. Pics on my instagram @blissfull_baker ❤️❤️

    1. Hi Allison, This cookie cake remains fresh covered tightly at room temperature for up to 3 days, or you can wrap it tightly and freeze for up to three months. Enjoy!

  4. How would you tweak this recipe (if at all) for high altitude baking? I live in Denver and have had good luck with modified cookie recipes for high altitude (and bad luck when I don’t alter in any way!)

    1. Hi Alex, I wish I could help, but I have no experience baking at high altitude. I know some readers have found this chart helpful:

  5. Question! Can I make this with brown butter and if so, how much butter should I brown (I think I need to use a bit more?). I love love LOVE your brown butter chocolate chip cookies so I desperately need a brown butter chocolate chip cookie cake!!

    1. Hi Anika, I’m so glad you love those cookies! You can actually use that cookie dough to make a cookie cake (follow the baking directions for this recipe) for a brown butter cookie cake 🙂

    2. Hello… This sounds like the perfect recipe. I want to make this on a large tin foil pizza pan… Curious about the temperature and timing to cook.

  6. Made this for my daughter’s birthday because she doesn’t like cake. I made exactly to recipe covering with foil 15 minutes into the cook and cooking 25 minutes in total. It did look slightly under done but when I check with a knife it was clean (aside from chocolate) so I pulled it. It was perfect, the only thing I would do different is add the foil at 10 minutes so the edges were less crunchy (just a preference). Other then that difference this recipe was perfect. Made on big thick chewy cakey cookie that not only was a huge hit with the kids ( my other two already want this as their birthday cake) but had mom’s asking for the recipe. I would highly recommend this recipe and will be using it again!!

  7. Can you add some cocoa powder to make it a chocolate chocolate chip cookie cake? I love this recipe, but I don’t want to ruin it by adding cocoa powder. If so, how much would I add to make it taste chocolate? Thanks so much!

  8. Just made this for New Year’s Day dessert with ice cream right out of the oven! So good! It is hard to tell when ready, I used the toothpick test and it showed it was ready, but it looked really “doughy” to me. But I should have just taken it out then rather than the extra 5 minutes. It would have been chewier. But still, no complaints from my crew! Great, easy way to get your chocolate chip cookie fix without the bother of chilling the dough and scooping it out and baking several trays of cookies!

  9. I baked this for my daughters 13th Birthday. I used a spring pan sprayed and dusted with flour, it came out beautiful. This is a great recipe Thank you for sharing.

    Sincerely A.M Canada

  10. I am trying to make a big cookie cake in a standard sheet pan and decorate it for a graduation party. I am trying to copycat those mall cookie company decorated cakes. They are so expensive, and I have a lot of people to serve, so I thought I might test it out. Do you think this recipe or the cookie cake one would be the best substitute for that style of dessert? Thanks for your help! I love your recipes!

  11. I made this recipe (with rainbow sprinkles) for my daughter-in-law’s birthday, and I also made your chocolate buttercream frosting recipe to decorate the cookie. It was a HUGE hit – my daughter-in-law, as well as my grandchildren, LOVED it!!

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I’m Sally, a cookbook author, photographer, and blogger. My goal is to give you the confidence and knowledge to cook and bake from scratch while providing quality recipes and plenty of pictures. Grab a cookie, take a seat, and have fun exploring! more about Sally