1Puree the first 6 ingredients, then chill.
2Puree the berries, lemon juice, and yogurt, and chill also.
3Just prior to serving, pour the melon mixture into soup bowls, filling them no more than 2/3 of the way.
4Pour the berry puree into the center of the soup bowls.
5Create a swirling pattern by mixing the two purees using one circular motion with a spoon.
6Garnish with fresh mint leaves.
'For Goodness' Sake: An Eating Well Guide to Creative Low-Fat Cooking, by Terry Joyce Blonder, Camden House Publishing, 1990.