1. Preheat oven to 350 degrees Fahrenheit. Line two muffin pans with muffin liners or spray with nonstick cooking spray.
2. In a large bowl, combine flour, oat bran, oatmeal, and brown sugar.
3. Add the eggs, egg white, soy milk, orange juice, oil, baking powder, baking soda, vanilla, and cinnamon and mix well. Pour batter into prepared muffin pan.
4. Prepare the topping: Combine oats, brown sugar, and cinnamon. Sprinkle over batter.