1/2 lb. lean hamburger
1/2 c. cooked rice
3 lg. carrots, sliced
3 stalks celery, sliced
1 med. onion, diced
2 cloves garlic
1/2 head sm. green cabbage
1 sm. zucchini, sliced
1 egg white
1 (14 oz.) canned stewed tomatoes
1/2 c. frozen corn
1 tbsp. salt
1 tbsp. salt for meatballs
1/4 tsp. pepper
1/4 tsp. pepper for meatballs
1/4 tsp. cumin
1/4 tsp. oregano
1/4 tsp. oregano for meatballs
3-4 fresh sprigs cilantro
6 c. water

Mix hamburger, rice, salt, pepper and oregano; add egg white, hand mix well. Put water in pressure cooker, bring to boil. Hand form meat mixture into balls, put in boiling water. Place in carrots, celery, onion, garlic, green cabbage, zucchini, tomatoes and corn to soup. Mix in salt, pepper, cumin, oregano and cilantro sprigs to soup. Cook at the high setting for 15 minutes. Place under cold running water to release pressure. Serve with warm corn tortillas.