Ingredients

1 stick (1/2 cup) unsalted butter, softened, plus additional for greasing pan

1 1/2 cups all-purpose flour plus additional for dusting pan

1 1/2 teaspoons baking powder

1/2 teaspoon baking soda

1/2 teaspoon salt

3/4 cup packed light brown sugar

1 large egg

3/4 cup well-mashed very ripe bananas

1/4 cup sour cream

1/2 teaspoon vanilla

For coconut frosting

• 3 oz cream cheese, softened
• 3 tablespoons unsalted butter, softened
• 1/3 cup confectioners sugar
• 3 tablespoons well-stirred canned cream of coconut such as Coco López (not coconut milk)
• 1 teaspoon dark rum (optional)
• 1/3 cup sweetened flaked coconut

Description

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