Peanut Butter Banana Muffins

Ingredients (11)

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