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Classic Banana Cake with Cocoa Frosting

A delightful and moist banana cake topped with rich cocoa frosting, perfect for family gatherings and celebrations.
Prep Time 20 minutes
Cook Time 30 minutes
Total Time 50 minutes
Course Dessert
Cuisine American
Servings 12 servings
Calories 320 kcal

Ingredients
  

For the cake

  • 3 pieces ripe bananas, mashed Use overripe bananas for best flavor.
  • 1/2 cup unsalted butter, softened
  • 1 cup granulated sugar
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • 1 1/2 cups all-purpose flour
  • 1 teaspoon baking soda
  • 1/4 teaspoon salt
  • 1/2 cup buttermilk

For the cocoa frosting

  • 1/2 cup unsalted butter, softened
  • 2/3 cup unsweetened cocoa powder
  • 3 cups powdered sugar
  • 1/3 cup milk
  • 1 teaspoon vanilla extract

Instructions
 

Preparation

  • Preheat your oven to 350°F (175°C). Grease and flour a 9x13 inch baking pan.
  • In a large mixing bowl, cream together the softened butter and granulated sugar until light and fluffy, about 3-4 minutes.
  • Beat in the eggs, one at a time. Then blend in the mashed bananas and vanilla extract until well combined.
  • In a separate bowl, whisk together the flour, baking soda, and salt. Gradually add this dry mixture to the banana mixture, alternating with buttermilk, and mix until just combined.

Baking

  • Pour the batter into the prepared pan and smooth the top.
  • Bake for 25-30 minutes or until a toothpick inserted in the center comes out clean.

Frosting

  • While the cake is baking, cream the softened butter, then mix in the cocoa powder.
  • Gradually add the powdered sugar and milk until you achieve your desired consistency. Stir in the vanilla extract.

Assembly

  • Once the cake is cool, spread the cocoa frosting evenly on top. Slice and serve!

Notes

Store leftover cake in an airtight container in the refrigerator for up to 4-5 days. For freezing, wrap pieces in plastic wrap and store in a freezer-safe container for up to 3 months. Thaw in the fridge or at room temperature, and warm if desired.
Keyword Banana Cake, chocolate frosting, Dessert Recipe, Easy Baking, ripe bananas