Mom Steiner's Beef Barbecue-Brenda

4 or 5 pound beef roast, roasted and sliced very thin

SAUCE:

1 tablespoon salt

1 cup onions, chopped

1/4 cup butter or fat off of meat

1 cup ketchup

2 tablespoons Worcestershire sauce

1 cup water or juice off of meat

1/2 cup sugar

1/4 cup vinegar

Mix and pour over meat. Simmer for several hours.