1/4 c. vinegar
1 can tomato soup
1 med. onion
2 tbsp. sugar
1/4 c. Worcestershire sauce
1/4 c. A-1 Sauce
1/2 c. water
4 to 4 lb. chuck roast, boneless

Chop onion then mix all ingredients and place in covered roaster pan. Bake at 350 degrees for 3 hours. Pull meat apart with fork. Serve on buns.