Adapted from the recipe here.
2 cups baby spinach
1 banana, fresh or frozen
3/4 cup almond milk (or leftover whey)
1 6 oz. container plain Greek yogurt
6 drops vanilla stevia or 1 Tbsp agave nectar
2 tsp fresh ginger
1 Tbsp peanut butter
Blend until creamy and green. This keeps well in the fridge overnight.
