1 lb. lean ground beef
1 env. dry onion soup
2 cans pork and beans
1 can kidney beans
1 c. catsup
1/2 c. water
2 tbsp. mustard
2 tsp. cider vinegar

Brown meat; drain fat. Stir in the rest of ingredients. Pour into 2 1/2 quart casserole or bean pot. Bake uncovered, 400 degrees, 30-40 minutes.