Immune boosting smoothie recipe. So good you won't know it's healthy! Berry Spinach Smoothie- makes 2 small smoothies: 1/2 cup pomegranate juice, 1 cup fresh baby spinach, 1 cup frozen blueberries, 1 banana, 1/4 cup fresh blueberries (optional garnish). Blend all ingredients in a blender until smooth. Add more juice if needed to blend. Garnish with fresh berries if desired.