Preheat oven to 450 degrees and fill muffin tin with paper liners. Combine oatbran and baking powder in a large bowl. Place chopped bananas, milk, maple syrup and egg whites in a blender. Blend until smooth and frothy. Pour blender contents into oatbran and mix until dry ingredients are moist. Stir in berries, and fill muffin cases evenly with mixture. Bake at 450 degrees for 22-25 minutes, until the tops are brown
Combine apple juice and cinnamon in a medium saucepan. Bring to a boil. Stir in oats, chopped apple, maple syrup and raisins. Reduce heat and cook until most of juice is absorbed, stirring occasionally. Fold in walnuts.