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Nutter Butter Peanut Butter Cake Recipe

September 21, 2018

Nutter Butter Cake-Submitted by Katie Thompson


Prep Time: 40 mins, Cook Time: 30 mins, Total Time: 1 hr 10 mins 



Layer Cake:

  • 1box yellow cake mix
  • 1 1/4cups water
  • 1/2cup creamy peanut butter
  • 1/3cup vegetable oil
  • 3large eggs

Peanut Butter Frosting:

  • 1cup butter softened
  • 2cup creamy peanut butter
  • 6tablespoons milk
  • 4cups powdered sugar
  • 1package Nutter Butters


  1. For the layer cake: In a large mixing bowl, beat cake mix, water, peanut butter, oil and eggs with electric mixer on medium speed about 2 minutes. Pour into greased and floured 9 inch round pans.
  2. Bake the cake for 30 minutes at 350 degrees or until a toothpick inserted in the center comes out clean. Cool for 10 minutes, then invert the round cakes onto a cooling rack to cool completely.
  3. For the Peanut Butter Frosting: In a mixing bowl, blend together peanut butter, powdered sugar, butter, and milk with an electric mixer on medium speed for about 3-3minutes or until light and fluffy.
  4. Level the cakes if necessary, then place one cake on a plate and frost the top. Place the other cake on top of that and frost the sides and top. Decorate as desired with piping rosettes and using Nutter Butters, large or bite-sized.