Combine flour, salt and pepper in large bowl .Dredge chops in seasoned flour,shaking off excess.warm oil in large skillet. over medium- high heat. Add chops until lightly browned, about 2 minutes per side. Transfer to slow cooker.Add onions to skillet and cook stirring often, until softened ,about 3 minutes.Pour in broth, increase heat to high ,and bring to a boil,stirrng to pick up any browned bits on bottom.pour over pork chops in slow cooker
Scatter sweet potatoes and apples around chops. Add thyme,cover and cook on low until tender about 4 hours or on high for 2 hours .