3-4 thick-cut slices of pork loin
1/2 c.+ spicy brown mustard
1 yellow (or white) onion
3 carrots, peeled and cut in large chunks
1 Tbsp. cider vinegar or apple juice (not necessary but adds a great zing)
black pepper to taste
Throw everything in your slow cooker. Toss. Cook on LOW for 6 hours. Keep on warm setting until dinnertime if needed.
I served this with baked potatoes and broccoli. You could easily throw cubed potatoes in the cooker too, but be sure they are underneath the other ingredients so they cook well.