1 lb. lean ground beef
1 env. dry onion soup mix
1 c. ketchup
2 tbsp. prepared mustard
1/2 c. water
2 tsp. cider vinegar
2 lb. cans pork and beans in tomato sauce
1 (1 lb.) can kidney beans

Stir and brown beef in large skillet over medium heat. Add the remaining ingredients; mix well. Heat thoroughly. Pour into 3 quart casserole and bake in hot oven.