Banana Cupcakes with Chocolate Frosting - Pam*B

Ingredients

• 2 and 3/4 cups all-purpose flour
• 1 and 1/4 teaspoons baking powder
• 1 teaspoon baking soda
• 1/2 teaspoon salt
• 1/2 cup (4 ounces) unsalted butter, at room temperature
• 1/4 cup vegetable shortening, at room temperature
• 1 and 3/4 cups granulated sugar
• 2 teaspoons vanilla extract
• 2 eggs
• 1 and 1/2 cups mashed very ripe bananas (about 4 bananas)
• 1/2 cup buttermilk