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Peanut Butter Banana Bread Cake

Author Casey Colodny
Prep: 20 minutes
Cook: 30 minutes
Total: 50 minutes
Servings: 12 bars
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Fluffy grain-free peanut butter banana bread cake with a fudgy chocolate frosting. The iconic banana + peanut + chocolate flavor combination gets taken to a whole new level with this banana cake!

Ingredients

Wet

  • 1 cup ripe mashed bananas the darker the better (~2.5 super ripe bananas - mine were black!)
  • 2 ea large eggs
  • ¼ cup coconut oil melted & cooled
  • cup maple syrup
  • cup creamy natural peanut butter
  • 1 tsp vanilla extract

Dry

  • 2 ¼ cups super fine blanched almond flour
  • 3 tbsp coconut flour
  • 2 tsp baking powder
  • 1 tsp ground cinnamon
  • ½ tsp baking soda
  • ¼ tsp salt

Chocolate Peanut Butter Frosting

  • ¾ cup powdered sugar
  • ½ cup unsweetened cocoa powder
  • 2 tbsp creamy natural peanut butter
  • ¼ cup + 1 tbsp almond milk leave out extra tbsp if you prefer a thicker frosting
  • 1 tsp vanilla extract
  • salt pinch

Instructions

  • Preheat the oven to 350F and line a 8”x8” pan with parchment paper.
  • In a large bowl, whisk together the wet ingredients until combined.
  • In a separate, smaller bowl, whisk together the dry ingredients.
  • Add dry ingredients to bowl of wet ingredients, and stir until just combined
  • Move batter to the parchment-lined 8”x8” pan and spread in an even layer with a spatula. Bake at 350F for 30-35 minutes (mine took 32 minutes), or until top and edges are golden brown and a toothpick/knife inserted comes out crumb-free (mine was moist, but not sticky with no visible crumbs).
  • Let cake cool completely on a wire rack, and then move to the freezer for 20-30 minutes prior to frosting. This will make the frosting easier to spread.
  • Next, make your chocolate frosting. Add all ingredients to a bowl and whisk together with a hand blender until smooth.I like to use a deeper bowl so powdered sugar / cocoa powder doesn’t fly everywhere in my kitchen.
  • Remove cake from the freezer and top with frosting, spreading into an even layer with a spatula.
  • Cut into 12 slices, making sure to clean the knife in between cuts. Enjoy!