- 1 Morningstar Farms® Grillers® Prime Veggie Burgers
- 1 (1 ounce) slice Swiss cheese
- 1/2 cup sliced portobello mushroom caps
- 1 slice onion, separated into rings
- 1 teaspoon steak sauce
- 2 small slices marbled rye bread
- Cook veggie burger according to package directions. Top hot burger with cheese slice. Let stand for 1 minute or until cheese melts.
- Meanwhile, in small nonstick skillet coated with cooking spray, cook sliced mushroom and onion rings over medium-low heat about 5 minutes or until tender, stirring frequently. Stir in steak sauce.
- Serve burger topped with mushroom mixture between bread pieces.