Peanut Butter Banana Breakfast Smoothie

1 c Fat free or lowfat milk
1/2 c Frozen banana slices
1 tb Peanut butter
1/4 ts Ground cinnamon
1/2 ts Vanilla extract
Sweet cocoa powder; optional

  Combine all ingredients in a blender and blend until smooth and creamy.
Pour into a tall glass and garnish with a sprinkle of cocoa powder, if
desired.
Makes 1 serving.