Ingredients
- 1 cup fat-free milk
 - 1/2 cup fat-free plain yogurt
 - 1 banana, frozen and chunked
 - 1 tablespoon natural peanut butter
 - 2 cups fresh spinach
 - 1 cup ice cubes (optional)
 
Directions
Blend milk, yogurt, banana, peanut butter, spinach, and ice cubes until smooth.
