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Insane Peanut Butter Cup Cake

Insane Peanut Butter Cup Cake – a fudgy chocolate cake with creamy peanut butter filling and a rich chocolate frosting…then I topped it with tons of peanut butter cups and melted chocolate! This chocolate peanut butter cake recipe is so delicious, you’ll have your family begging for more!

The BEST Peanut Butter Chocolate Cake Dessert Recipe

Today is not for the faint of heart…

If you’re not in it to win it with dessert, this might not be the one for you. If you’re one of those people who use the phrase, “too rich”, or “too sweet” the door is to the left. I’ll see you tomorrow.

BUT if you’re down for some C.A.K.E. let’s talk…

This one is pretty intense…the rich chocolate cake…the creamy peanut butter filling…the buttery chocolate frosting…can you handle it? It’s man against cake.

Not only is this cake over the top delicious, it’s also quite a stunner, if I do say so myself.

The Ultimate Peanut Butter Cup Cake With Chocolate Frosting

I feel like I should probably skip all the words right now and just get down to business.

I am sure you agree.

The cake is an EXTRA simple chocolate cake recipe. I have never had anything but fantastic results.

The filling is my version of the center of a peanut butter cup…

Insane Peanut Butter Cup Cake! A fudgy chocolate cake with creamy peanut butter filling and a rich chocolate frosting. Topped with tons of peanut butter cups and melted chocolate!

And the frosting is my tried and true chocolate frosting…the same recipe I use ALL the time. It’s in my book too!

And then why not top it off with some chopped peanut butter cups and melted chocolate? Not only does this up the “INSANE” factor, but it does wonders for an imperfect frosting job!

Insane Peanut Butter Cup Cake! A fudgy chocolate cake with creamy peanut butter filling and a rich chocolate frosting. Topped with tons of peanut butter cups and melted chocolate!

Then step back and take in the gorgeousness that you have just created…

Insane Peanut Butter Cup Cake! A fudgy chocolate cake with creamy peanut butter filling and a rich chocolate frosting. Topped with tons of peanut butter cups and melted chocolate!

And then eat it, of course!
Insane Peanut Butter Cup Cake! A fudgy chocolate cake with creamy peanut butter filling and a rich chocolate frosting. Topped with tons of peanut butter cups and melted chocolate!This is THE perfect special occasion cake!

Enjoy!

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Insane Peanut Butter Cup Cake

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 4.1 from 25 reviews
  • Author: Cookies & Cups
  • Prep Time: 30 mins
  • Cook Time: 30 mins
  • Total Time: 1 hour
  • Yield: serves 16 1x
  • Category: Dessert
  • Method: Oven
  • Cuisine: American

Description

Insane Peanut Butter Cup Cake – a fudgy chocolate cake with creamy peanut butter filling and a rich chocolate frosting…then I topped it with tons of peanut butter cups and melted chocolate! This chocolate peanut butter cake recipe is so delicious, you’ll have your family begging for more!


Ingredients

Scale

Cake

  • 2 cups granulated sugar
  • 1 3/4 cups flour
  • 3/4 cup unsweetened cocoa powder
  • 1 1/2 teaspoons baking soda
  • 1 1/2 teaspoons baking powder
  • 1 teaspoon kosher salt
  • 2 eggs
  • 1 cup milk
  • 1/2 cup vegetable oil
  • 2 teaspoons vanilla
  • 1 cup very warm water

Peanut Butter Filling

  • 3/4 cup butter, room temperature
  • 1 1/2 cups creamy peanut butter
  • 3 cups powdered sugar
  • 1/41/3 cup milk

Chocolate Frosting

  • 1 cup butter, room temperature
  • 1 cup unsweetened cocoa powder
  • 8 cups powdered sugar
  • 1 teaspoon vanilla
  • 2/3 cup very warm water

Garnish

  • 1012 full sized peanut butter cups chopped
  • 2 1/4 cup mini chocolate chips, divided
  • 1 1/2 teaspoons milk

Instructions

  1. Preheat oven to 350°F. Coat 2, 9-inch cake pans with nonstick spray. Cut 2, 9-inch rounds of parchment paper and place in the bottoms of the pans. Spray again with nonstick spray. Set aside.
  2. In the bowl of your stand mixer fitted with the paddle attachment, mix together the sugar, flour, cocoa powder, baking soda, baking powder, and salt on low speed until combined.
  3. With the mixer still on low, add in the eggs, milk, vegetable oil, and vanilla. Turn mixer up to medium and mix for 2 minutes, scraping the sides of the bowl as necessary. Turn the mixer back down to low and slowly add in the hot water. Mix for an additional minutes until combined.
  4. Divide the batter between the 2 prepared pans. Bake for 30 minutes, or until a toothpick inserted in the center comes out clean.
  5. Allow the cake to cool in the pan for 10 minutes and then remove and transfer to a wire rack to cool completely.

Peanut Butter Filling

  1. In the clean bowl of your stand mixer, fitted with the paddle attachment mix the butter and peanut butter together on medium speed until smooth. Turn the mixer to low and slowly add in the powdered sugar. Turn the mixer to medium and mix for 1 minute until combined.
  2. Turn mixer back to low and add in 1/4 cup milk. Mix for an additional minute, scraping the sides of the bowl as necessary, until creamy and combined. If desired, add additional milk to achieve desired result.
  3. Transfer one of the cooled cakes to a plate or cake stand. Spread the peanut butter filling on top of the cake. Place the other cake on top of the peanut butter filling.

Chocolate Frosting

  1. In the bowl of your stand mixer fitted with the paddle attachment, combine the butter, cocoa powder, powdered sugar, vanilla, and warm water and mix on low speed, until the mixture just comes together.
  2. Slowly increase the speed to medium and beat the frosting for 2 minutes, scraping the sides of the bowl as necessary.
  3. Let the frosting cool for 15 minutes before covering the cake.

Garnish

  1. Once you have the cake covered in the chocolate frosting, pile the chopped peanut butter cups on top. Next, sprinkle 2 cup of the milk chocolate chips on top and around the bottom of the cake.
  2. Place the remaining 1/4 cup chocolate chips and 1 1/2 milk into a microwave-safe bowl. Heat in 15 second increments, stirring in between each, until the chocolate is smooth. Place the melted chocolate into a small zip-top bag and snip the corner off. Drizzle the melted chocolate all over the cake.

Nutrition

  • Serving Size: 1 slice
  • Calories: 971
  • Sugar: 120.7 g
  • Sodium: 631.6 mg
  • Fat: 44.6 g
  • Carbohydrates: 143.5 g
  • Protein: 14.3 g
  • Cholesterol: 24.5 mg

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104 comments on “Insane Peanut Butter Cup Cake”

  1. I have made this cake several times, but most recently made it for a wedding shower. The bride loves peanut butter and chocolate so I thought this would be the perfect dessert. To say it was a hit would be an understatement. Several guests stated it was the best cake they have ever tasted. It’s certainly not for the faint of heart (or sweetness), but if you want a special occasion cake, this one is a great choice.






  2. This turned out to be quite the tragedy unfortunately. I was excited because the recipe seemed simple and with easy steps. I have done a lot of baking so I was a little concerned about the quantity of powdered sugar but I decided to give it a go for my friend’s birthday party. The cake was so wet that even after a night of being out before stacking on the 2nd layer, it still split open. The cake batter seemed way too liquidy to start so I should have added more flour. Both frostings and the cake are extremely sweet for my taste. I wouldn’t give this a good rating but I see others have had good success with it from the reviews.






  3. I made this for my daughter’s birthday this weekend. She is gluten sensitive so I made it with Bob’s Red Mill Gluten Free All Purpose Flour. With all the yummy ingredients NO ONE at the party could tell it was gluten free! It was truly “insanely” decadent and delicious. I am not an experienced baker and the instructions were simple and clearly explained. Thank you for this wonderful recipe!






  4. Ron Lancaster

    Thank you for this incredible recipe. I made it in July 2017 first time by request for a friend’s birthday.
    Today I’m making it again by request from my daughter in law as she and my son are visiting me from Chicago for a couple of days.
    I made notes on the recipe that it was a smashing success at the dinner party and one of my proudest cakes.
    Over the top in richness, sweetness and intense. BUT ISN’T THAT THE POINT? Besides, nothing is better than peanut butter and chocolate. Celebrating one’s birthday or a special visit are reasons to go over the top.






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