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Black Marble

Banana Cake with Chocolate Frosting

"This Banana Cake is made using a cake mix and topped with a smooth creamy buttery chocolate frosting. Loaded with real banana flavor in every single bite!"

Banana Cake with Chocolate Frosting

Servings – 12 Prep Time – 15 Minutes Cook Time – 35 Minutes Ingredients:


  • 1 (15.25 ounce) boxed yellow cake mix

  • 3 ripe bananas peeled and mashed

  • ½ cup vegetable oil or 1 stick of melted butter

  • 2 large eggs

  • 1 teaspoon vanilla extract

  • 1 box instant banana pudding mix


  • 1 cup butter room temperature

  • ½ cup unsweetened cocoa powder

  • 4 cups powdered sugar

  • 1 teaspoon vanilla extract

  • 4 - 5 tablespoons heavy cream

*You can completely skip this step and use a can of premade chocolate frosting.



Preheat oven to 350 degrees. Spray a 9x13 baking or bundt with nonstick baking spray.

Add the peeled bananas to a large bowl and mash with a fork.

Mix in oil (or 1 stick of butter melted), eggs, and vanilla. Using a whisk, mix until combined.

Add in the yellow or banana cake mix and pudding mix until all ingredients are blended together.

Pour the batter in the prepared pan. Spread the batter evenly in the pan.

Place in the oven and bake for 25 to 30 minutes or until a toothpick inserted in the middle comes out clean or with moist crumbs.

Cool completely before frosting.


In a large mixing bowl, add in the butter and cocoa powder. Beat with a hand mixer until creamy.

Add in the powdered sugar, vanilla, and heavy cream and continue to beat until combined. You may add additional heavy cream 1 tablespoon at a time to get the desired consistency of frosting.

Spread the frosting on top of the cake with an offset spatula. Or if using canned frosting, microwave container for 30 seconds, and pour over top of cake.

Decorate with fresh banana slices or banana chips.


Calories: 614cal / Carbohydrates: 85g / Protein: 4g / Fat: 31g / Saturated Fat: 21g / Cholesterol: 83mg / Sodium: 465mg / Potassium: 204mg / Fiber: 2g / Sugar: 62g / Vitamin A: 697IUVitamin C: 3mgCalcium: 113mgIron: 2mg

"This recipe is a keeper. Easy delicious and will be the talk of the gathering!"

CWT is not a certified dietician or nutritionist. Any nutritional information shared on this site is an estimate counted through measurements and package nutritional information used in each recipe. If calorie, macro counting and other nutritional values are important to you, I recommend running the ingredients through your choice of nutritional calculator you prefer. Calories can vary depending on national brands used per recipe.

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