Best Baked Beans
["1 large jar Great Northern beans", "1 large onion, chopped", "1 1/2 c. ketchup", "2 Tbsp. vinegar", "3/4 c. brown sugar", "1 1/2 tsp. dry mustard", "1 lb. bacon"]
["Slice bacon into 1/2-inch pieces, then fry.", "Mix all remaining ingredients and add bacon pieces.", "Bake at 350\u00b0 for 1 to 1 1/2 hours."]
["beans", "onion", "ketchup", "vinegar", "brown sugar", "dry mustard", "bacon"]