In A Slow Cooker, Mix Together Ketchup, Molasses, Mustard, Pork And Beans, Salt, And Pepper. Cook Bacon And Bell Pepper In A Large Skillet Over Medium Heat For About 5 To 7 Minutes, Then Add To The Slow Cooker. In Same Skillet, Brown Beef, And Stir Into The Slow Cooker. Cover, And Cook On High Setting For 1 Hour.