INGREDIENTS
3
ripe bananas, mashed
1/3 cup
butter, melted
3/4 cup
granulated sugar
1
egg, beaten
1 tsp
vanilla
1 tsp
baking soda
1 tsp
baking powder
1/4 tsp
cinnamon
1/8 tsp
salt
1 1/2 cups
all-purpose flour
1 cup
chopped walnuts, plus extra for topping if desired