INGREDIENTS
4 oz
Baby arugula
3 tsp
Garlic
2
Red onions, small
1 tsp
Thyme, leaves
3
Tomatoes, medium
1 tbsp
Dijon mustard, good
1
Ketchup
1 tsp
Black pepper, freshly ground
1 tsp
Kosher salt
3 tbsp
Olive oil, good
12
Brioche buns, small
6 oz
Gruyere, grated
2 pounds premium ground beef (80 percent lean and 20 percent fat)