Optional: If you prefer to brown your pork chops then melt butter in skillet or multi-cooker over medium high heat
Brown for 3-4 minutes on each side or until golden (careful not to cook through)
Transfer to slow cooker
Whisk together remaining pork chop ingredients and pour over top of meat in slow cooker
Cover and cook on high for 3-4 hours or low for 6-8
Remove woody ends from brussels sprouts then run through a food processor with slicing attachment or use a sharp knife to shred
Use a spiralizer to cut apple into pretty shapes, or slice thin (if not serving immediately, wait to slice apple until serving time)
Whisk together remaining ingredients and toss with brussels sprouts