INGREDIENTS
1 1/2 cups
all-purpose flour
1 tsp
baking soda
1 tsp
baking powder
1/2 tsp
salt
3
overripe bananas, mashed
3/4 cup
white sugar
1
egg lightly beaten
1/3 cup
butter, melted
2 tbsp
all-purpose flour
1/3 cup
cup packed brown sugar
1/8 tsp
ground cinnamon
1 tbsp
butter
add 1 teaspoon ground cinnamon to the muffin batter