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Chocolate Layer Cake with Peanut Butter Frosting

This chocolate layer cake has a delicious peanut butter frosting. It’s kind of like a peanut butter cup in cake form.

Chocolate Cake with Peanut Butter Frosting | Buttered Side Up
Chocolate Cake with Peanut Butter Frosting | Buttered Side Up
Chocolate Cake with Peanut Butter Frosting

Chocolate Cake with Peanut Butter Frosting | Buttered Side Up

I have a few (random) things to say to you:


1) May must be the month of illness, because we had three or four bouts of it last month. Helen has been going back and forth between being a pro sleeper to refusing naps and bedtime. No more colds, please!
2) Because of all the craziness surrounding sickness, I have had very little energy to get things done once Helen is in bed. Thus the lack of posts (sorry!).
3) I wasn’t going to take pictures of this cake because I was exhausted tired from making it. Once I tasted it and realized how delicious it was, I knew I wanted to share the recipe with you guys. So I pulled out my tripod as the light was fading and snapped away.
4) Did I mention how scrumptious this chocolate cake with peanut butter frosting is? It’s kind of like a peanut butter cup in cake form. I could eat the frosting by the spoonful.
What’s life been like for you lately?
Note: Since I have a thing for small cakes, I halved the recipe and baked the batter in 6-inch pans. If you want to make a regular sized cake just double everything and cook the cake in a 9×13-inch pan or two 8-inch round cake pans.

More Cake Recipes:

Chocolate Layer Cake with Peanut Butter Frosting

This chocolate cake is made with a delicious peanut butter frosting!

Course Dessert
Cuisine American
Keyword Cake, Chocolate, Peanut Butter
Prep Time 30 minutes
Cook Time 20 minutes
Cooling 20 minutes
Total Time 1 hour 10 minutes
Servings 12 people
Calories 355 kcal
Author Erica Kastner


For the Cake:

  • 1 cup all-purpose flour
  • 1 cup organic sugar
  • 1/8 teaspoon real salt
  • 2 heaping tablespoons cocoa powder
  • 1/2 cup 1 stick butter
  • 1/2 cup boiling water
  • 1/4 cup buttermilk or sour milk
  • 1 large egg lightly beaten
  • 1/2 teaspoon baking soda
  • 1/2 teaspoon pure vanilla extract

For the Frosting:

  • 8 ounces cream cheese softened
  • 2/3 cup peanut butter
  • 1/2 cup 1 stick butter, softened
  • 1 cup powdered sugar sifted
  • 1/2 teaspoon pure vanilla extract


To make the cake:

  1. Preheat oven to 350 degrees F (175 C). Butter two 6-inch round cake pans and line with a round of parchment paper on the bottom.
  2. In a medium bowl, whisk together the flour, sugar, and salt.
  3. Boil the water. Meanwhile, melt the butter in a small saucepan. Stir in the cocoa powder, then the boiling water; boil for 30 seconds and remove from heat. Pour over the dry ingredients and give it a gentle stir.
  4. Whisk together the buttermilk, egg, baking soda and vanilla. Stir into the chocolate batter and mix just until combined.
  5. Pour into the prepared pans and bake until a toothpick comes out nearly clean, about 20 minutes (check at the 15 minute mark). Remove from oven and allow to cool in the pans for 10 minutes before turning out onto a cooling rack.

To make the frosting:

  1. Place the cream cheese in the bowl of a stand mixer fitted with the whisk attachment. Beat until smooth. Add the peanut butter and beat again, scraping down sides of bowl as necessary. Add the butter and beat until smooth again. Beat in the powdered sugar and vanilla.

To assemble the cake:

  1. Once the cakes have cooled completely, cut each one in half horizontally. You can either leave the dome on one of the cakes or level them both off.
  2. Place one layer on a cake stand or plate and put strips of parchment just underneath to keep the surface tidy. Spread with frosting to create a layer that's about 1/4-inch thick. Repeat with remaining layers, ending with the domed layer if using.
  3. Frost the top of the cake and put a thin "crumb coating" on the sides. Refrigerate cake until the crumb coat is firm, then add the rest of the frosting to the sides (or save a bit for eating on its own). Remove the parchment strips, slice and enjoy!

Recipe Notes

Recipe adapted from The Pioneer Woman and Smitten Kitchen

Recipe Rating

Chocolate Cake with Raspberries and Cream Cheese Frosting

Saturday 17th of February 2018

[…] taste. The original cake recipes had twice as much sugar, for reference. This was based off of my Chocolate Layer Cake with Peanut Butter Frosting. So make that instead if have a sweet tooth. […]

Water Park in Delhi NCR

Friday 16th of January 2015

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fazal ameen

Monday 22nd of September 2014

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Thursday 5th of June 2014

Just looking at this makes me gain weight! I can't wait to make it. Thanks for sharing the recipe and photo even when you were tired. Hope everyone feels better soon.


Thursday 5th of June 2014

You can't go wrong with PW and Smitten Kitchen as sources :) Looks delicious! And I love the idea of making a smaller cake...I'm adding 6" cake pans to my wish list.

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