Banana cake with peanut butter frosting

7 servings
15 min
30 min
Very Easy


Number of serving: 7
3-3/4 cups all-purpose flour

1 tablespoon and 1-1/2 teaspoons baking soda

1-1/2 pinches salt

3/4 cup unsalted butter

1-1/2 cups white sugar

1 cup and 2 tablespoons light brown sugar

6 ripe bananas, mashed

1 cup buttermilk

Peanut Butter Frosting:

2 cups peanut butter

2 sticks unsalted butter, room temp

1 cup powdered sugar

1/2 cup heavy cream


  • Preheat oven to 350 degrees F. Grease and flour 3 - 9 inch round pans. In a small bowl, whisk together flour, baking soda and salt; set aside.
  • In a large bowl, cream butter, white sugar and brown sugar until light and fluffy. Beat in eggs, one at a time. Mix in the bananas.
  • Add flour mixture alternately with the buttermilk to the creamed mixture. Pour batter into the prepared pans.
  • Bake in the preheated oven for 30 minutes. Allow to cool completely before frosting.
  • Peanut Butter Frosting:
    Whip together the first 3 ingredients until smooth and a bit lightened. Slowly drizzle in the heavy cream until the frosting comes to the consistency you like. Feel free to add more sugar if you like things sweeter or of you want a bit of a thicker frosting. Spread a thin layer between the layers of the banana cake and use the rest to frost the top and sides.
  • If you keep the cake in the fridge, be sure to take it out and let come to room temp before serving.


Banana Cake with Peanut Butter Frosting, photo 1
Banana Cake with Peanut Butter Frosting, photo 2
Banana Cake with Peanut Butter Frosting, photo 3


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