INGREDIENTS
2 tbsp
olive oil
2 tbsp
butter (unsalted)
1 1/2
lbs yellow onions (peeled, halved and thinly sliced)
1/2 tsp
sugar
1 tsp
salt
3 tbsp
all-purpose flour
1 tbsp
butter (unsalted)
6 cups
beef broth (low sodium or no sodium added)
1 cup
red wine
2
bay leaves
3
sprigs thyme
3 tbsp
cognac
8
slices french baguette
2 cups
gruyere (shredded)
1/2 cup
Parmesan cheese (grated)