Add hamburger, chopped onions and chopped bacon to a large skillet and cook over medium heat until the hamburger is browned and the onions have softened. Sprinkle with ½ teaspoon of salt or to taste. Drain the grease if necessary.
Add brown sugar, molasses and mustard and cook over medium low heat for 5 minutes,.
Add beans and simmer for 15- 20 minutes until the liquid has absorbed and they have thickened. Add salt and pepper to taste.
