1 lb. boneless beef cubes
1 lb. boneless pork cubes
1/4 c. brown sugar
1/3 c. Worcestershire sauce
1/3 c. vinegar
1 can tomato soup
1 lg. onion, chopped
1 c. water

Mix all ingredients. Place into a large covered casserole. Bake at 350 degrees for 3 hours. Mash with potato masher while hot. Mixture will be watery but meat will soak up all juices. Let stand 1 hour before serving. Reheat. Serve on hard rolls.