1 (2-3 pound) pork tenderloin
3 Granny Smith apples, sliced
1 sweet yellow onion, sliced
¼ cup apple juice or chicken stock
1 Tbsp. Dijon mustard
2 Tbsp. olive oil
3 Tbsp. honey
1 shallot, minced
1 tsp. cinnamon
Salt and pepper all sides of the pork tenderloin. Cut 6-8 (1-inch deep) slits across the tenderloin and place an apple slice in each cut. Place remaining apples, sliced onions and tenderloin in the bottom of slow cooker. Whisk together remaining ingredients and pour over tenderloin. Cook for 6-8 hours on low or 4 hours on high. Slice and serve with pan juices.