Set a skillet on the stove-top over medium high heat. Melt the butter. Add the ham to the butter and stir around until golden brown. Add to the slow cooker.
Add the beans, onions, barbecue sauce, mustard, and pepper. Stir.
Arrange the pineapple chunks on top.
Cover and cook on LOW for 5 hours.
Serve and enjoy!
Video
Notes
Can I use bacon instead of ham?Yes! If you choose to use bacon be sure to cook and crumble before adding to the slow cooker. Uncooked bacon in the slow cooker is tasteless and greasy.