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Moist Peanut Butter Banana Cake Recipe

Moist Peanut Butter Banana Cake Recipe


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4.8 from 23 reviews

  • Total Time: 1 hour 20 minutes
  • Yield: 11 1x

Description

Creamy peanut butter banana cake delivers a delightful fusion of classic flavors. Rich layers of moist cake blend nutty and sweet notes, offering a comforting dessert that satisfies dessert cravings with each indulgent bite.


Ingredients

Scale
  • 3 ripe bananas, mashed (about 1.5 cups)
  • 1 cup (200 g / 7 oz) granulated sugar
  • ½ cup (100 g / 3.5 oz) brown sugar, packed
  • ½ cup (115 g / 4 oz) unsalted butter, softened
  • ½ cup (130 g / 4.6 oz) creamy peanut butter
  • ½ cup (120 ml / 4 fl oz) buttermilk
  • 2 large eggs
  • 2 cups (250 g / 8.8 oz) all-purpose flour
  • 1 tsp baking powder
  • 1 tsp baking soda
  • 1 tsp vanilla extract
  • ½ tsp salt
  • ½ tsp ground cinnamon (optional)
  • ½ cup (130 g / 4.6 oz) creamy peanut butter (for frosting)
  • ¼ cup (60 g / 2 oz) unsalted butter, softened (for frosting)
  • 2 cups (240 g / 8.5 oz) powdered sugar
  • 23 tbsps milk
  • 1 tsp vanilla extract (for frosting)

Instructions

  1. Preparation: Grease and flour a 9×13-inch pan or two 9-inch round pans, then preheat the oven to 350F (175C).
  2. Dry Ingredient Fusion: Sift flour, baking powder, baking soda, salt, and cinnamon into a medium bowl, creating a harmonious dry ingredient blend.
  3. Creaming Process: Utilize an electric mixer to whip butter, peanut butter, granulated sugar, and brown sugar until the mixture becomes ethereally light and voluminous.
  4. Egg Integration: Methodically incorporate eggs one at a time, then blend in vanilla extract until fully harmonized.
  5. Batter Development: Gently fold mashed bananas into the mixture, then alternately introduce dry ingredients and buttermilk with minimal stirring to preserve the cake’s delicate structure.
  6. Baking Ritual: Pour the batter into prepared pan(s), ensuring even distribution, and bake for 30-35 minutes (9×13-inch pan) or 25-30 minutes (round pans) until a toothpick comes out pristine.
  7. Cooling Phase: Allow the cake to cool completely, transforming into an ideal frosting canvas.
  8. Frosting Creation: Blend peanut butter and softened butter until silky smooth, gradually incorporating powdered sugar, milk, and vanilla extract.
  9. Frosting Finesse: Whip the mixture until achieving a light, creamy consistency, adjusting milk to ensure perfect spreadability.
  10. Final Embellishment: Lavishly apply frosting across the cooled cake, optionally adorning with chopped peanuts, fresh banana slices, or a luxurious chocolate drizzle.

Notes

  • Ripeness Matters: Choose overripe bananas with dark brown spots for maximum sweetness and deeper banana flavor, enhancing the cake’s moisture and taste.
  • Prevent Overmixing: Gently fold ingredients to maintain a tender crumb, stopping mixer when ingredients are just combined to avoid a dense, tough cake texture.
  • Room Temperature Ingredients: Allow butter, eggs, and buttermilk to reach room temperature before mixing, ensuring smoother blending and more consistent cake structure.
  • Moisture Control: If bananas are extremely wet, lightly pat them with paper towels to prevent excess liquid from making the cake soggy or affecting its rise.
  • Prep Time: 20 minutes
  • Cook Time: 30 minutes
  • Category: Desserts, Snacks
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 11
  • Calories: 392
  • Sugar: 32 g
  • Sodium: 250 mg
  • Fat: 20 g
  • Saturated Fat: 7 g
  • Unsaturated Fat: 13 g
  • Trans Fat: 0 g
  • Carbohydrates: 47 g
  • Fiber: 1.5 g
  • Protein: 6 g
  • Cholesterol: 34 mg