2 med. cans pork and beans
1/4 c. catsup
1 tsp. mustard
3 tbsp. plus 1 tsp. Karo syrup
1/8 c. brown sugar
1 sm. onion, finely chopped
4-6 slices chopped bacon
1 tbsp. vinegar

Mix all ingredients together. Bake at 300 degrees for 3-4 hours. Stir occasionally.