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Banana Cupcakes with Peanut Butter Frosting Recipe


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4.3 from 52 reviews

  • Author: Ava
  • Total Time: 29 minutes
  • Yield: 12 cupcakes

Description

Delightful banana cupcakes topped with a creamy peanut butter frosting and a sprinkle of salted peanuts. These soft, moist cupcakes blend the natural sweetness of ripe bananas with the rich flavor of smooth peanut butter, creating a perfect treat for any occasion.


Ingredients

Cupcake Ingredients

  • 150 g Unsalted butter
  • 75 g Caster sugar
  • 75 g Soft light brown sugar
  • 2 Large free range eggs
  • 175 g Self-raising flour
  • 2 Large bananas (peeled and well mashed)

Peanut Butter Frosting

  • 175 g Unsalted butter
  • 220 g Icing sugar
  • 110 g Smooth peanut butter
  • Boiling water (as needed, about 1-2 teaspoons)

Decoration

  • Handful of salted peanuts


Instructions

  1. Prepare the cupcake batter: Beat the room temperature unsalted butter with caster sugar and soft light brown sugar until light and fluffy, ensuring the sugars are fully incorporated.
  2. Add eggs: Beat in each egg one at a time, allowing the mixture to blend smoothly after each addition to maintain a creamy consistency.
  3. Fold in dry ingredients and bananas: Carefully fold in the self-raising flour and the well-mashed bananas by hand to keep the batter light and prevent overmixing.
  4. Fill muffin cases: Divide the batter evenly among 12 paper muffin cases placed in a muffin tin.
  5. Bake the cupcakes: Bake in a preheated oven at 180°C (356°F) for about 19 minutes or until the cupcakes are a very pale golden brown and a skewer inserted in the center comes out clean.
  6. Make the peanut butter frosting: While the cupcakes bake, beat the unsalted butter with the icing sugar until well combined and smooth.
  7. Add peanut butter: Beat the smooth peanut butter into the butter and icing sugar mixture until fully integrated.
  8. Adjust frosting consistency: Add boiling water one teaspoon at a time, beating after each addition, until the frosting reaches a light and fluffy consistency suitable for piping or spreading.
  9. Decorate cupcakes: Once the cupcakes have completely cooled, pipe or swirl the peanut butter frosting on top using a knife or piping bag.
  10. Add finishing touch: Sprinkle a handful of salted peanuts on top of the frosting for added crunch and flavor.

Notes

  • Ensure the butter for both batter and frosting is at room temperature for easy mixing.
  • Use very ripe bananas for maximum sweetness and moisture in the cupcakes.
  • Do not overmix the batter after adding flour to keep cupcakes tender.
  • Let cupcakes cool completely before frosting to prevent melting the frosting.
  • Adding boiling water gradually to the frosting helps achieve a smooth and fluffy texture.
  • Prep Time: 10 minutes
  • Cook Time: 19 minutes
  • Category: Baking
  • Method: Baking
  • Cuisine: American