2 lg. cans pork and beans
1 lg. onion, chopped
1 c. brown sugar
1/4 c. mustard
1 c. catsup
1 med. jar pineapple preserves
8-10 slices bacon

Mix together all ingredients except bacon. Place small pieces of cut bacon to cover top of beans. Bake in 13 x 9 inch baking dish at 350 degrees until bacon is crisp and brown. 30-45 minutes.