- Coat grill rack with nonstick cooking spray. Preheat grill to medium (300Â°F to 350Â°F). Cut onion into quarters, leaving the stem end intact. Grill onion 10 to 15 minutes per side or until softened, turning once. Remove from grill and let cool. Thinly slice; discard stem end.
- In a small bowl combine sliced onion, vinegar, mustard and 1/4 teaspoon of the thyme. Set aside.
- In a medium bowl mix ground beef with remaining 3/4 teaspoon thyme, and soup mix. Shape into 4 (3/4-inch thick) patties.
- Place patties on grill. Grill, covered, 8 minutes. Turn, top with cheese, and grill 7 minutes more or until instant-read thermometer registers 160Â°F. Place rolls, cut side down, on grill to toast. Place burgers in rolls, top with onion mixture, and serve.
View all nutritional information
Calories 429, Calories Fat 111, Total Fat 11g, Saturated Fat 5g, Cholesterol 76mg, Sodium 463mg, Carbohydrate 40g, Protein 36g
|Calories (fat) extra||26|
|Total Fat (extra)||18|
|Saturated Fat (extra)||29|
|Vitamin A (extra)||4|
|Vitamin C (extra)||3|