Banana-Nut Oat Bran Muffins

Ingredients (8)

• 2-1/4 cups oat bran
• 1 tablespoon baking powder
• 1/4 cup brown sugar
• 1 1/4 cups milk
• 2 bananas
• 2 egg whites
• 2 tablespoons agave nectar or honey
• 1/4 cup walnuts