Bean Casserole
["1 1/2 lb. ground beef", "1/2 c. ketchup", "2 Tbsp. vinegar", "3 Tbsp. brown sugar", "1 medium onion, chopped", "1/2 tsp. salt", "1 Tbsp. mustard", "1 can pork and beans", "1 can red kidney beans", "1 can green beans"]
["Brown ground beef.", "Add the next 6 ingredients; simmer for about 5 minutes.", "Put this mixture into a casserole dish.", "Add remaining ingredients.", "Bake, covered, at 350\u00b0 for 45 minutes to 1 hour."]
["ground beef", "ketchup", "vinegar", "brown sugar", "onion", "salt", "mustard", "pork", "red kidney beans", "green beans"]