Banana-Oat Quick Bread

Ingredients

• 1 1/2 cups all-purpose flour
• 1 cup quick cooking oats
• 3/4 cup packed brown sugar
• 2 1/2 teaspoons baking powder
• 1/4 teaspoon salt
• 1 cup ripe banana
• 1/2 cup low-fat buttermilk
• 1/4 cup vegetable oil
• 1/4 cup egg substitute or 2 large egg whites
• 1/4 cup quick cooking oats
• 2 tablespoons coarsely chopped walnuts
• 2 tablespoons brown sugar
• 1/8 teaspoon cinnamon -- optional (or more)
• 2 teaspoons butter -- melted