⅓ cup butter, softened ½ cup mashed ripe bananas 4 cup powdered sugar ¼ cup milk 1 ½ teaspoon vanilla
Prepare, bake, and cool cupcakes as directed. Place unfrosted cupcakes in a single layer in an airtight container; cover. Freeze for up to 1 month. To serve, thaw cupcakes at room temperature about 30 minutes. Prepare frosting and frost cupcakes as directed in step 6.
