Frische Tomatensuppe (Fresh Tomato Soup)

6 ea Tomatoes; Medium Size OR

2 lb Italian Plum Tomatoes

1 ea Onion; Chopped

1 ea Celery; Stalk, Chopped

2 c Chicken Broth

1 tb Tomato Paste

1/2 ts Basil; Dried

1/4 ts Pepper; Freshly Ground

1/2 ts Salt

1/2 c Yogurt

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.