3 large onions, sliced
6 tbsp. salad oil
1 tsp. dry mustard
Salt and pepper
1/4 tsp. chili powder
1 can tomato soup
2 tbsp. sugar
1 c. ketchup
1 c. water
1/2 c. vinegar
3 lbs. ground beef

Fry onions in oil. Then add all of the above ingredients except the ground beef.

Shape the ground beef into patties and cook through, either on the grill or broil them. Put the cooked patties in large container and pour sauce over the top. Simmer for 30 minutes.

Let them stand covered in the refrigerator for 4 or 5 hours or overnight.

Reheat 30-45 minutes before eating. Serve on a bun.