INGREDIENTS
1 cup
Banana
1
Egg, large
1 tsp
Baking soda
1 cup
Chocolate chips, semisweet
2 tbsp
King arthur all-purpose baking cocoa
1 cup
King arthur all-purpose flour, Unbleached
1/4 tsp
Salt
1/2 cup
Sugar
1 tsp
Vanilla extract
1/2 cup
Butter, soft unsalted
1/2 cup
Sour cream