3-4 lb. boneless roast beef
Onion (optional)
1 can cream of mushroom soup
1 soup can water
3/4 c. brown sugar
1/4 c. vinegar
2 tsp. salt
1 tsp. mustard
1 tsp. Worcestershire sauce

Brown beef and onion in a large pot. Combine other ingredients and pour over beef. Cover and simmer 2 1/2-3 hours. Add more water if necessary. Vegetables, carrots and potatoes may also be added. Thicken gravy if desired.