3/4 c. non-fat dry milk
1/4 c. sugar; optional
2 c. water
1 tsp. vanilla
10 oz. pkg. frozen sliced strawberries

In 5 cup blender container, combine all ingredients except berries. Cover; blend at medium speed 10-20 seconds or until well mixed. Add frozen berries. Cover and blend at medium speed, scraping sides of blender often, until smooth, 30-60 seconds. Serve immediately.