Avocado Soup

Ingredients

• 2 ripe avocados, quartered
• 1/4 cup chopped green onion
• 2 tablespoons fresh orange or pineapple juice
• 1 tablespoon chopped fresh cilantro
• 1/2 to 1 teaspoon salt
• 1/4 teaspoon ground red pepper
• 1/4 teaspoon ground black pepper
• 1/8 teaspoon ground cumin
• 3 cups chicken broth, chilled
• 1 (8-ounce) container fat-free plain yogurt
• Garnishes: cooked shrimp, avocado slices