Western Bean Bake
["1 lb. hamburger", "1/2 c. onion", "1/2 c. ketchup", "2 Tbsp. vinegar", "1 Tbsp. Worcestershire sauce (optional)", "2 tsp. mustard", "1 Tbsp. sugar", "2 medium cans baked beans"]
["Brown hamburger and onion in skillet or saucepan.", "Transfer to baking pan and add remaining ingredients.", "Mix all together and bake 45 minutes at 350\u00b0."]
["hamburger", "onion", "ketchup", "vinegar", "Worcestershire sauce", "mustard", "sugar", "beans"]