Tags: American, Vegetarian, Fruit
57 grams butter
25 grams sugar
1 egg
1 overripe banana
1 grams salt
3 grams baking soda
75 grams flour
Preheat oven to 300 F.
Cream butter and sugar.
Mix in banana and egg.
Combine all dry ingredients and mix well.
Combine all remaining ingredients and mix well.
Bake for 35 minutes.