Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   6                    tomatoes -- medium size or
   1      tablespoon    tomato paste
   2      pounds        Italian plum tomatoes
     1/2  teaspoon      basil -- dried
   1                    onion -- chopped
     1/4  teaspoon      pepper -- freshly ground
   1                    celery; stalk -- chopped
     1/2  teaspoon      salt
   2      cups          chicken broth
     1/2  cup           yogurt

Preparation:

Cut tomatoes into wedges and place in 1 1/2-quart saucepan with all ingredients except yogurt. Simmer uncovered 30 minutes. Strain to remove tomato skins and seeds. Adjust seasonings. Garnish with spoonfuls of yogurt.