Name: French Onion Soup
Prep time: 10 min
Cook time: 75 min
Total time: 85 min
Yield: 6 servings
Ingredients: 8 tablespoons unsalted butter; 4 yellow onions (sliced); 6 cups beef broth; 1 tablespoon Worcestershire sauce; 1/4 cup dry sherry (optional); 1 sprig fresh thyme; 1 teaspoon kosher salt; 1/2 teaspoon coarse ground black pepper; 4 slices French bread; 1 cup grated Gruyere Cheese