Chilled Cucumber Soup

For a simple, elegant, delicious and yet low-calories lunch, this is a great choice.

3 cups plain nonfat yogurt
1 English cucumber (about 1 pound), cut into chunks
1 scallion, white and green parts, coarsely chopped (about 1/4 cup)
3 tablespoons chopped fresh dill, plus sprigs for garnish
Salt and freshly ground black pepper
1 medium tomato (about 5 ounces), seeded and diced
2 teaspoons olive oil

Soup Recipe Chilled Cucumber Soup Recipe