Hawaiian Baked Beans
["4 jars (48 oz. each) Great Northern beans, rinsed and drained", "4 c. chopped onion", "2 lb. dark brown sugar", "2 lb. cubed smoked ham", "1 (28 oz.) bottle ketchup", "1 (20 oz.) can crushed pineapple, drained", "1/2 c. mustard", "1/3 c. vinegar"]
["Combine all ingredients and mix well.", "Divide into two or more greased baking dishes.", "Cover tightly and bake at 350\u00b0 for 1 1/2 hours.", "Uncover and continue baking 20 to 30 minutes more.", "Yields 80 to 100 servings."]
["beans", "onion", "dark brown sugar", "ham", "ketchup", "pineapple", "mustard", "vinegar"]