
Cookie or cake? If I had to choose, I’d call it a cookie. It’s a great big fluffy chocolate and peanut butter chip cookie that’s baked in a 10-inch pan, piled with marshmallows, caramel and peanut butter cups, then sliced up like cake. It’s so good that when I woke this morning, I stumbled downstairs half asleep and ate a piece while standing at the dining room table.

I got the idea for this cookie cake from a catalogue I received in the mail. Maybe you get them too. It was from a mail-order bakery that sells delicious looking (though mass-produced) cakes at $50 and upward. I’ll admit, I’ve ordered one of these cakes before when I was short on time and wanted something extra special for a get-together. And, don’t get me wrong, I truly believe bakers should be paid well for their craft and product – if it’s top-notch and memorable in a good way.
I’ll just say this. Next time I’ll save my dollars for something from Lauren or my local Panache girls.

But if you have time to take matters into your own hands, I recommend this recipe. And if you don’t have time to fuss with the frosting and toppings, then just make the cookie part. It’s easy and utterly delicious. Just promise me you’ll serve it warm with a big scoop of vanilla ice cream on top.


Overloaded Peanut Butter Chocolate Chip Cookie Cake
Yield: 14 servings; one 10-inch cookie
Source: Cookie base adapted from Food.com
Prep: 1 hour 25 minutes
Cookie
1 cup unsalted butter, softened
1/2 cup granulated sugar
2/3 cup brown sugar, packed
2 eggs
1 teaspoon vanilla extract
2 cups flour, all purpose
1 teaspoon salt
1 teaspoon cream of tartar
1 teaspoon baking soda
1 cup semisweet chocolate chips
1 cup peanut butter chips
- Preheat oven to 350° F. Grease a 10-inch cake pan with white vegetable shortening and line the bottom with a circle of parchment paper. Set aside.
- In a large bowl, beat together butter and both sugars until well combined. I used a stand mixer at medium speed, but you can also use a hand mixer at medium-low speed. Add in eggs and vanilla extract. Beat again until well mixed.
- In a separate medium bowl, whisk together the flour, salt, baking soda and cream of tartar. Pour flour mixture into the butter mixture and mix until a thick batter forms. Add chips and mix on the lowest setting until all the chips are evenly dispersed.
- Pour batter into the prepared pan and spread evenly with an off-set spatula. Bake for 20-25 minutes or until a toothpick tester comes out clean. Remove from oven and let cool in the pan for 10 minutes. Turn cake onto a wire rack and then again so that it’s right side up on a serving plate or cake stand. Let cool completely.
Peanut butter frosting
1 cup unsalted butter, softened
1/2 cup creamy peanut butter
3 cups confectioners’ sugar
pinch of salt
1-2 tablespoons milk or cream
- Combine the unsalted butter and peanut butter in a large bowl or the bowl of a stand mixer. Beat together until well blended. Add confectioners’ sugar and salt. Beat until well incorporated. Mixture may be crumbly.
- Add milk or cream 1 tablespoon at a time and beat again until light and fluffy. Frost the sides of the cake (do not frost the top) and transfer the remaining frosting to a piping bag fitted with a large star tip. Pipe large swirls of frosting around the top edge of the cookie.
Toppings
1 cup marshmallow cream or fluff
3 tablespoons mini chocolate chips
1/2 cup mini marshmallows
2 tablespoons peanut butter chips
15 mini peanut butter cups, each halved
1/2 cup caramel sauce (homemade salted caramel is good if you have it)
- Spray a small bowl with cooking spray and place the 1 cup marshmallow cream in the bowl. Heat gently in the microwave for 20-30 seconds, or until just loosened, then pour in the center of the cookie. Spread evenly over the top.
- Sprinkle marshmallows, chips and peanut butter cup halves over marshmallow cream. Top with caramel sauce.
I can't imagine a better dessert, Heather!! Absolute PERFECTION 🙂
This cake is mind blowing!
Ooo, I want nothing more than a ten inch cookie! This would be perfect for the BFs birthday, he loves cookies…
OMG, that looks terrific!
Cheers,
Rosa
Incredibly versatile! A great go-to cookie cake recipe that can be dressed to the nines for a "limousine" ride or even enjoyed with ice cream and coffee for a down home dessert. Well done! I love multi-tasking desserts!
Um, Wow! I just ate, and I'm drooling. Great job putting this one together. Looks fantastic!
Oh my goodness that looks scrumptious!!!! Peanut butter overload, but definitely worth it! It's beautifully decorated too!
Ergo – Blog
questo dolce è un trionfo di golosità !!!!
Overloaded indeed! Every bite must be heavenly!
This cake is my dream!! Yum!
OH MY GOD! This looks REALLY yummy! Now I want to try it…Just amazing. 🙂
xo
That looks incredible!!!!
Amazing!! 😀
Happy weekend
These look absolutely incredible! And what timing — just this week I came across a photo on pinterest of a gooey peanut butter & chocolate chunk cookie (but alas with no accompanying recipe) that got me craving such a cookie. This recipe will satisfy that craving. And I promise to serve with a big scoop of vanilla ice cream!
Why, oh why, do you do this to me? Man, I cannot stop staring at these pictures. I wish I could reach through the computer screen and take a slice. Incredible!
Yummy!
Rosezeeta.
That looks so insanely delicious… I know if I had that in my dining room I wouldn't be able to stop myself from eating it for breakfast either!
First of all, this cake/cookie is outrageous. You put all of my favorite things in one dessert! Second, thank you so much for the shoutout, you are too kind!
hmmm just looking makes me wanna eat them!!! looks really yummy!!!! thanks for this recipe I'm sure I'll try this at home!!! take care. xoxo,Meg
Woah Nelly! Crazy delightful 🙂
Holy COW! Over the top and I LOVE it!
This is over the top in ALL the good ways!
that looks incredible :)) wao!
xoxo
Unbelievably beautiful and delicious. I must try this.
What a feast!
Oh my! That looks insainly, indulgantly good
Yum this cookie cake looks totally delicious. I actually prefer the taste of cookies and the look of cake so I think you've totally nailed it!
Wow, a cookie cake! So gorgeously decorated!
I have found Heaven. Perhaps in the fom of calories and heart disease but I don't care because this looks like it could even satisfy my extremely sweet tooth, excuse me while I pop out to buy some peanut butter cup chips!
from Emily x
So many cookie type recipes today! I'm in cookie over-load mode and I love it! This looks like a freaking awesome cookie cake! 🙂
I have never seen a more beautiful cookie cake!
This is the most goregeous explosion of chocolate and peanut butter and cookies ever! This cake looks phenomenal!
Oh wow, this looks absolutely divine!
Heather, what a gorgeous and decadent cake! And, such beautiful food photography…as always! You truly inspire me, girl. I, myself, have planned a chocolate chip cookie cake (more of a coffeecake) for my blog before Mother’s Day. Cannot wait to share it. Thanks for sharing your recipe! Pinning… xo
Hey Heather! I just baked this Awesome Recipe of yours., and Everything turned out Amazing… only problem I had with this recipe, was the bake time. I followed instructions to a T, but my cake came out goey and underbaked. Could the baking time be longer? or perhaps i used a 9" circle pan instead of a 10"…. hmmm, any help would be much a appreciated!!! (for now i'm using the dough to throw on top of ice cream!!!) Flavor is great!
A cookie lover's DREAM!
Just wow!
You are blowing my mind. This looks too ridiculously good to be true.
This looks amazing. I am turning 40 (yikes) on Saturday and perhaps I will bake this for my family. My husband and four kids would love it as you made it, but I however do not care for peanut butter. It is easy enough to omit the chips from the cake, but I am curious what kind of frosting you would use instead. Is the texture like a cake or cookie, I do not care for cake either but love those gross cookie cakes that you see at the Mrs. Fields stores. That is a secret shame, which I am… Read more »
@elkj,
You can omit the peanut butter from the icing and add 1/2 cup cocoa powder for a chocolate icing. The texture is like a soft cookie.
And happy birthday! 40 is definitely something to celebrate!
xo
H
That looks so rich … but so good. Mouthwatering!
NUH UH.
This looks amazing!
Giant cookie goodness. Love!
Oh. My. Goodness. Why do you do these things to me and my waistline? This looks amazing!
This looks like heaven! OMG.I want a slice!
Your baking time is completely off. I baked this for 35 minutes at 350 and it was still under baked. Very frustrating when I need this in 2 hours.
Daniel,
I'm sorry you had trouble with my baking time. My cake baked in 25 minutes. I have a baking thermometer placed inside my oven for accuracy because all ovens heat differently. Some run hot and some are slow. I've added the text " or until a toothpick tester comes out clean" in case others run into the same problem you did. Thanks for your feedback, and again, sorry for your frustration. I've been there. Not fun.
I just did your awesome recipe for my boyfriend's birthday and it turned out AWESOME! I couldn't find the peanutbutter chips, so I just omited, but we loved!
Thanks for the recipe =)
Oh hey there–I don't do this often, but want to marry me? This looks *amazing*–keep up the inspiration, girl! You're making me crave a giant BJ's pizooki, but I might just have to make this instead…
My husband is a total peanut butter nut, so every time you post something with peanut butter and chocolate, I have to try it. He doesn't like caramel for some reason though, so this is great that the sauce is just spooned on at the end. Thanks.