Cream together butter, banana, lemon juice and vanilla. Slowly beat in confectioners' sugar, adding more if needed to make a nice fluffy, spreadable icing. Makes about 2 1/3 cups.
Ingredients
1/4 cup butter or margarine , softened
1/2 cup mashed banana
1/2 teaspoon lemon juice
1/2 teaspoon vanilla extract
3 1/4 cups confectioners' sugar