Peanut Butter Banana Muffins

Details

Ingredients

• 1 cup all-purpose flour
• ¾ cup quick cooking oats
• ⅓ cup packed brown sugar
• 1 tablespoon baking powder
• 1 cup milk
• ½ cup peanut butter
• ½ cup mashed ripe banana
• 1 egg, beaten
• 2 tablespoons vegetable oil
• 1 teaspoon vanilla extract
• ¼ cup all-purpose flour
• 2 tablespoons butter, melted
• 2 tablespoons packed brown sugar