Summer Strawberry Soup

1 qt fresh strawberries -- hulled

2 c water

1/2 c buttermilk

1/2 c fresh orange juice

juice of 2 lemons 1 tbsp chopped fresh mint

1/4 c brown sugar -- optional

5 tbsps plain yogurt

mint sprigs -- for garnish

In a stainless-steel or enameled saucepan, combine everytning but the yogurt and the mint garnish. Bring to a boil, reduce heat and simmer gently for 10 minutes. Cool slightly, then puree in a blender or food processor, and chill thoroughly. Before serving, swirl 1 tbsp yogurt through each portion and garnish with mint sprigs.