• 1 C. all-purpose flour
• 3/4 C. quick cooking oats
• 1/3 C. packed brown sugar
• 1 Tbs. baking powder
• 1 C. milk
• 1/2 C. peanut butter
• 1/2 C. mashed ripe banana
• 1 egg, beaten
• 2 Tbs. vegetable oil
• 1 tsp. vanilla extract
• 1/4 C. all-purpose flour
• 2 Tbs. butter, melted
• 2 Tbs. packed brown sugar

Preheat oven to 375 degrees. Grease 12 muffin cups or line with paper muffin liners. Combine 1 cup flour, oats, 1/3 cup brown sugar, and baking powder. Whisk together milk, peanut butter, banana, egg, oil, and vanilla. Add banana mixture to dry ingredients, mixing just until moistened. Fill prepared muffin cups 3/4 full. In a small bowl, stir together 1/4 cup flour, melted butter and 2 tablespoons brown sugar. Sprinkle topping evenly over muffins. Bake in preheated oven for 18 minutes, until golden brown. Serve warm.