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
Instructions:
- Melt butter in a large pot over medium heat.
- Add onions, cooking until caramelized (about 40 minutes), stirring frequently.
- Incorporate garlic and cook for an additional minute.
- Deglaze with white wine, scraping the pot’s bottom.
- Add beef broth, bay leaves, and thyme. Season with salt and pepper.
- Bring to a boil, then simmer for 30 minutes.
- Under a preheated broiler, place ladled soup in oven-safe bowls, topped with baguette and Gruyère.
- Broil until the cheese is bubbly and golden.
Tips, Shortcuts, and Variations
Shortcut: Use a mandoline for even, thin onion slices.
Variation: For a vegetarian twist, swap beef broth with a rich vegetable broth.
Tip: For best results, use homemade beef broth.
Swap: If Gruyère is unavailable, try Emmental or a mature Cheddar.