Our Favorite French Onion Soup recipe | Epicurious.com | Recipe Cart | Recipe Cart

Ingredients

• 5 tablespoons unsalted butter, divided
• 1 tablespoon vegetable oil
• 3 pounds​【1.36 kg】 Vidalia onions (about 4 medium), halved lengthwise, peeled, and thinly sliced
• 1 teaspoon kosher salt
• 1/2 teaspoon freshly ground black pepper
• 1/2 teaspoon granulated sugar
• 1 1/2 cups​【355 mL】 dry white wine
• 6 cups​【1,420 mL】 homemade beef broth or store-bought low-sodium beef broth
• 10 sprigs thyme
• 2 bay leaves
• 1 baguette
• 1 garlic clove, cut in half lengthwise
• 2 teaspoons sherry, preferably Fino or Manzanilla
• 4 ounces​【113 g】 Gruyère cheese, grated (about 1 cup)​【237 mL】
• kitchen twine, six 8-ounce​【227 g】 or four 16-ounce​【454 g】 oven-safe ramekins or bowls (optional)