INGREDIENTS
2
lbs Ground beef
1/4 tsp
Garlic powder
1/2 tsp
Onion powder
2
Onions, large thin
1 tsp
Thyme, fresh
1/3 cup
Beef broth
7 tsp
Worcester sauce
2 tbsp
All purpose flour
7/8 tsp
Black pepper, freshly cracked
1 tsp
Brown sugar
1 3/4 tsp
Kosher salt
1 pinch
Nutmeg
1 tsp
Canola oil
6
Brioche buns
3 tbsp
Butter
1 1/2 cups
Gruyere cheese
1 cup
Milk
1
For the burger