Banana Crumb Muffins

By deleteduser

4.81 / 5

15min

20min

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1 ½ cups all-purpose flour
1 teaspoon baking soda
1 teaspoon baking powder
½ teaspoon salt
3 bananas mashed
¾ cup white sugar
1 egg lightly beaten
⅓ cup butter melted
⅓ cup packed brown sugar
2 tablespoons all-purpose flour
⅛ teaspoon ground cinnamon
1 tablespoon butter