Best Recipes: Banana Cream Sandwich Cookies

Banana fanna fo fanna . . . These banana sandwich cookies will give your taste buds a reason to sing. Fee fi fo manna . . . banana!

Cookie

1 cup butter or margarine, softened
1 cup sugar
1 medium (1/2 cup) ripe banana, sliced
1 egg
1 teaspoon vanilla
2 1/3 cups all-purpose flour