Banana Protein Shake
["1 1/2 cup skim milk", "1 medium banana", "1 scoop protein powder", "1/2 tsp. vanilla", "ice"]
["In a blender, combine all ingredients.", "Blend until smooth. Pour into frosty glasses and garnish with sprinkle of ground cinnamon, if desired."]
["milk", "banana", "protein powder", "vanilla"]