BEEF STROGANOFF

50 lbs. Sirloin beef cubes
3 qts. onions
3 qts. celery
3 gal. water

Brown Sirloin beef cubes, onion and celery. Add 3 gallons of water and simmer until tender. Add: 1 gal. catsup 1/4 gal. mushrooms Thicken with rue Just before serving, add 15 pounds sour cream. Serve over 10 pounds wide cooked noodles or rice. Serves 150. Use 6 ounce ladle. Garnish with parsley.