INGREDIENTS
8
sprigs Thyme, fresh
2
lbs Yellow onions
4 cups
Beef stock or low-sodium beef broth
2 cups
Chicken stock or low-sodium chicken broth
1 tsp
Black pepper, freshly ground
1 tbsp
Flour
1 tsp
Kosher salt
1 1/2 cups
Ciabatta bread
1/2 cup
Butter, unsalted
3 cups
Gruyere cheese, grated
1 cup
White wine, dry