Overnight Baked Beans (Slow Cooker)

Overnight Baked Beans  (Slow Cooker)                        

Salt and Pepper
 1/4 cup cider vinegar
 1/2 cup dark brown sugar or Splenda
 1 pound small dried white beans
 2 tsp dry mustard
 1/4 cup molasses
 1 medium onion, chopped

In a slow cooker, combine beans, onion, brown sugar, molasses, vinegar, mustard, 5 cups water and 1/4 tsp pepper.
Cook, covered, on low until beans are tender and liquid is syrupy, 12 hours.
The onions will rise to the top and look very dark.
Before Serving stir in 1/2 tsp salt...