Black Bottom Banana Bars - cooking recipe

Ingredients

1/2 C butter or margarine, softened
1 C sugar
1 egg
1 tsp vanilla extract
1-1/2 C mashed ripe bananas (3 medium)
1-1/2 C all purpose flour
1 tsp baking powder
1 tsp baking soda
1/2 tsp salt
1/4 C baking cocoa

Preparation

In a mixing bowl, cream butter and sugar.
Add egg and vanilla; beat until thoroughly combined.
Blend in the bananas.