INGREDIENTS:
6 large yellow onions, thinly sliced
4 tablespoons unsalted butter
2 cloves of garlic, minced
8 cups beef broth
1/2 cup dry white wine
2 bay leaves
1 teaspoon dried thyme
Salt and freshly ground black pepper to taste
1 baguette, sliced and toasted
1 1/2 cups grated Gruyère cheese