How to Make It
Heat a large nonstick skillet coated with cooking spray over medium heat. Add 4 cups cabbage and leek. Cover and cook 5 minutes. Stir in remaining cabbage and pepper. Cover and cook 5 minutes; stir in broth.
Add sausage to pan, nestling pieces into vegetable mixture. Cover and cook 10 minutes or until sausage is heated. Serve with mustard.