Ingredients:

• 1 1/2 cups frozen blueberries
• 1 cup frozen blackberries
• 1/2 cup unsweetened purple grape juice
• 1/2 cup Greek-style yogurt (0% fat)
• 2 tablespoons whey protein powder
• Water to thin, as needed

Directions:

Combine the yogurt, grape juice, protein powder, and water in the blender. Add the berries and blend until smooth. If you prefer no seeds, strain through a sieve.

Yield:

4 servings

Nutrition per serving:

Per 1/2 cup serving:
Calories: 105
Protein: 4g
Carbohydrate: 22g
Total fat: 0.5g
Cholesterol: 0mg
Sodium: 50mg
Fiber: 3.5g

Source:

Recipe adapted from The Smoothies Deck by Sara Corpening Whiteford, Lori Lyn Narlock, Mary Corpening Barber, and Amy Neunsinger (Chronicle Books, 1999)