How to prepare this recipe:

1. Preheat charcoal or gas grill.
2. In a small bowl, combine turkey and onion soup mix. Shape into four burgers.
3. Grill burgers about 5 minutes per side or until cooked through and internal temperature reaches 170°F.
4. Meanwhile, heat oil in a medium nonstick skillet over medium-high heat.
5. Cook onions until softened, about 5 minutes.
6. Before removing burgers from grill, top with onions and a slice of Swiss cheese.
7. Allow to melt slightly.
8. Add lettuce.
9. Assemble as desired.