1 lb. lean ground beef
1 envelope dry onion soup
1 c. catsup
2 tbsp. mustard
1 tsp. cider vinegar
2 (1 lb.) cans pork & beans
1 (1 lb.) can kidney beans

Stir and brown beef in large skillet over medium heat. Add remaining ingredients and mix well. Heat thoroughly. Pour into a 3 quart casserole dish and bake at 375 degrees for 30 minutes or until bubbly in center.