Hamburger Casserole
["1 lb. hamburger", "1 1/2 Tbsp. vinegar", "1 Tbsp. sugar", "salt and pepper to taste", "1 medium onion", "1 c. catsup", "dash of Worcestershire sauce", "2 cans pork and beans"]
["Brown hamburger and onion.", "Drain. Mix in other ingredients. Bake at 350\u00b0 for 30 minutes."]
["hamburger", "vinegar", "sugar", "salt", "onion", "catsup", "Worcestershire sauce", "pork"]