INGREDIENTS
1/2 cup
butter (softened)
1/2 cup
brown sugar
1/4 cup
white sugar
1
large egg
2 tsp
vanilla extract
3
medium bananas (mashed - about 1 cup)
1/4 cup
sour cream
1 cup
all purpose flour
1/2 cup
cocoa powder
1 tsp
baking soda
1/2 cup
milk chocolate chips