Molasses, brown sugar, ketchup (not a lot) and crumbled bacon!
That is the way my Mom made Baked beans..
Although my Mom measured everything, I just eyeball it for amounts and go with it.
For additional flavor, we started double smoking the bacon (cold smoke the uncooked bacon), to cold smoke we cover the bacon with coarse black pepper and put into our smoker for about 1/2 hr keeping the temp at refrigerator temps (38-42 F)..
Results are awesome!
We vacuum pack in small quantities then freeze the bacon.
Downside is have to cold smoke during the winter and do enough to last through summer.
We have also hot smoked the baked beans, those do not last around here!