Ina's Chilled Avocado-Cilantro Soup

Ingredients

 * 2½ large ripe fresh California avocados - peeled and pitted
 * 3 cups chicken stock (canned low sodium)
 * 1 tbsp lime juice
 * ⅔ cups yogurt - plain, low fat
 * ⅓ cups sour cream
 * 1 tomato – large, peeled and seeded
 * ¼ cup cilantro – fresh, chopped
 * salt to taste
 * hot sauce for garnish

Directions

 * 1) Put 2 of the avocados, stock, lime juice, yogurt and sour cream in a blender or food processor.
 * 2) Blend until smooth.
 * 3) Add the tomato and cilantro and pulse just until the tomato is coarsely chopped.
 * 4) Coarsely chop the remaining half of avocado and stir into the soup.
 * 5) Chill for several hours.
 * 6) Serve with a dash of hot sauce.