1/4 cup sour cream
1 teaspoons baking soda
1/2 cup butter, softened
3/4 cup sugar
1 egg
1 1/2 cups flour
1 cup mashed bananas
1 cup semi-sweet chocolate chips
1 teaspoon vanilla
Preheat oven the 350. Stir sour cream and soda together. Set aside. Cream butter with sugar until light and fluffy. Add egg, beat well. Beat in sour cream mixture. Stir in remaining ingredients. Fill greased muffin pans and back for about 18 minutes. Let cool before removing from pan.
