1 lg. can pork & beans
3/4 c. chopped onions, uncooked
3/4 c. chopped bacon, uncooked
1/2 c. dark brown sugar, lightly packed
1 c. ketchup
3/4 tsp. liquid smoke (do not add extra)

Mix all together. Put in a casserole. Bake at 350 degrees for 3/4 hour.