Ingredients
2 pounds medium onions, halved lengthwise, then thinly sliced lengthwise
3 sprigs fresh thyme
2 bay leaves
3/4 teaspoon salt
1/4 cup unsalted butter
2 teaspoons all-purpose flour
3/4 cup dry white wine
4 cups reduced beef broth
1 1/2 cups water
1/2 teaspoon black pepper
6 diagonal slices of baguette
1/2 pound piece Gruyeres,
2 finely grated Parmigiano-Reggiano
Description
Foodista
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