1 Medium Red Onion, peeled
1 1/2 tsp of balsamic vinegar
1/4 tsp Dijon Mustard
1 tsp dried thyme, divided
1 lb lean ground beef
4 slices of reduced fat swiss cheese
4 french or kaiser rolls, split
Coat grill rack with nonstick cooking spray. Preheat gril to medium. Cut onion into quarters, leaving the stem and end intact. Grill onion 10 – 15 minutes per side or until softened. Turn 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 salt and pepper to taste. Shape in four patties.
Place patties on grill. Grill covered approx 8 minutes. Turn and top with cheese, and grill 7 minutes more or until approx 160 degrees. Place rolls, cut side down, on grill to toast. Place burgers in rolls, top with onion mixture, and serve.
Shelley is a boy mom, marine wife, and is blessed with an amazing family. She loves sharing recipes, travel reviews and tips that focus on helping busy families make memories.