Slow Cooker Pork Loin Roast with Brown Sugar and Sweet Potatoes

Ingredients (8)

• + 1 tablespoon pork rub seasoning, or to taste add to pantry
• + ¼ teaspoon Chinese five-spice powder add to pantry
• + 1 (3 pound) pork loin roast add to pantry
• + 2 medium sweet potatoes, peeled and cut into bite-size pieces add to pantry
• ✓ ½ cup brown sugar
• ✓ 3 tablespoons butter
• ✓ salt and ground black pepper to taste
• + salt and ground black pepper to taste add to pantry