3-Bean Hamburger Bake
["1/2 to 1 lb. lean ground beef", "1 medium onion, finely chopped", "1 (1 lb.) can green lima beans*", "1 (1 lb.) can light red kidney beans*", "1 (1 lb.) can pork and beans*", "1/2 c. brown sugar", "1/2 c. catsup", "2 Tbsp. cider vinegar", "1 Tbsp. prepared mustard", "1 Tbsp. Worcestershire sauce"]
["*Do not drain canned beans."]
["lean ground beef", "onion", "green lima beans", "light red kidney beans", "pork", "brown sugar", "catsup", "cider vinegar", "mustard", "Worcestershire sauce"]