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Peanut Butter and Banana Cake

This easy cake is made bananas and a cake mix. No one will know you used a cake mix because it's just that delicious!
Prep Time15 mins
Cook Time50 mins
Total Time1 hr 5 mins
Course: Cake
Cuisine: American, southern
Keyword: cake mix recipe, peanut butter and banana cake
Servings: 1 cake
Author: The Southern Lady Cooks


  • 1 (15.25 ouncbox super moist yellow cake mix
  • 1 cup milk
  • 1 stick butter or 8 tablespoons or 1/2 cup melted
  • 3 eggs
  • 1/2 cup crunchy peanut butter could use the smooth peanut butter
  • 2 medium sized ripe bananas mashed
  • 1 cup chopped nuts pecans or walnuts, (optional)

Glaze for Cake:

  • 3/4 cup powdered sugar
  • 3 tablespoons milk more or less
  • 1/2 teaspoon vanilla extract (optional)


  • Mix together cake mix, milk, melted butter and eggs with mixer. Add peanut butter and mashed bananas and continue mixing. Fold in nuts. Spray a 9 x 13 baking dish with cooking spray. Add batter. Bake in preheated 350 degree oven for 35 to 50 minutes. Cool and add your favorite frosting. I just drizzled confectionery sugar and milk recipe below over mine. Makes 1 cake.

Instructions for Glaze:

  • Whisk together and drizzle over cooled banana bread.