Ingredients

  • 1/2 cup butter, softened
  • 1 cup sugar
  • 1 large egg
  • 1 teaspoon vanilla extract
  • 1-1/2 cups mashed ripe bananas (about 3 medium)
  • 1-1/2 cups all-purpose flour
  • 1 teaspoon baking powder
  • 1 teaspoon baking soda
  • 1/2 teaspoon salt
  • 1/4 cup baking cocoa

Method

  • In a large bowl, cream butter and sugar until light and fluffy. Beat in egg and vanilla. Stir in the bananas. Combine the flour, baking powder, baking soda and salt; add to creamed mixture and mix well.
  • Divide batter in half. Add cocoa to half; spread into a greased
  • . Spoon remaining batter on top and, if desired, swirl with a knife to marble batter.
  • Bake at 350° until a toothpick inserted in the center comes out clean, about 25 minutes. Cool on a wire rack.