1 tablespoon olive oil 1 (4 – 4 1/2 lb.) fresh boneless pork loin roast, well trimmed 1 1/2 teaspoons salt 4 medium sweet potatoes, peeled and quartered 1 large onion, coarsely chopped 1 1/2 cups apple cider 3 tablespoons Dijon mustard 1/2 teaspoon cayenne 1/8 teaspoon ground cinnamon 1/2 teaspoon black pepper 1/4 teaspoon ground coriander 1/8 teaspoon ground nutmeg |