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Peanut Butter Chocolate Cake

Birthday Cake just got better! Add peanut butter to the batter, filling and topping for an all around chocolaty cake. 

Course Dessert
Prep Time 30 minutes
Cook Time 45 minutes
Total Time 1 hour 15 minutes
Servings 10 people
Author Carolina Jantac, MS, RD, LD



  • ½ cup cocoa powder
  • ½ cup boiling water
  • 1 ½ teaspoons baking soda
  • ½ cup of Once Again Creamy Peanut Butter
  • 2 ½ cups flour half whole wheat flour
  • 1 ¼ cup plain Greek yogurt
  • 2 eggs
  • ½ teaspoon salt
  • 2 teaspoons vanilla extract


  • ½ cup powdered sugar
  • ¾ cup of Once Again Creamy Peanut Butter


  • ½ cup powdered sugar
  • ¼ cup of Once Again Creamy Peanut Butter
  • 3-6 oz water or milk



  1. Add cocoa powder to boiling water and mix well; set aside.
  2. Using an electric mixer, at low speed, blend Once Again Peanut Butter, Greek yogurt, eggs and sugar.
  3. Add the vanilla extract and cocoa powder to the mixture. Then in separate bowl, sift flour, salt, and baking powder.
  4. Add the flour to the wet mixture, and combine well. Pour into two 6- inch round pans and bake at 350 degrees for about 30 minutes. Check using a toothpick to determine the appropriate cooking time. Let cool completely before adding filling and topping.


  1. Start with Once Again Creamy Peanut Butter, and add powdered sugar slowly, mixing continuously until you achieve a desired texture.
  2. The result should be similar to thick frosting.


  1. Start with Once Again Creamy Peanut Butter, add sugar, and mix well.
  2. Then slowly, and mixing continuously, add milk or water to achieve desired consistency.  The result should have a consistency similar to honey.

Recipe Notes