Classic French Onion Soup Gratin
A comforting and classic soup featuring golden caramelized onions, rich broth, and a bubbly, melted cheese topping. Ideal for winter and perfect for warming up with family.
🛒 Ingredients
4 servings
- 5 large onions
- 3 tbsp butter
- 1 tbsp flour
- 4 1/4 cups beef or chicken broth
- Salt to taste
- Pepper to taste
- A few sprigs of fresh thyme
- 1 bay leaf
- Sliced bread, to taste
- Grated cheese (Gruyère, Comté, or Emmental), to taste
Watch the original video
Watch on TikTokDirections
- 1
Thinly slice the 5 large onions.
- 2
Sauté the onions in the butter over medium heat until they are well browned and caramelized.
- 3
Sprinkle with flour, mix well, then pour in the broth.
- 4
Add the thyme and the bay leaf. Season with salt and pepper.
- 5
Let simmer for 25-30 minutes over low heat.
- 6
Toast the bread slices until they are crispy.
- 7
Pour the soup into oven-safe bowls.
- 8
Place the toasted bread slices on top and cover generously with grated cheese.
- 9
Broil in the oven at 392°F until the cheese is golden brown and bubbly.
💡 Chef's Tip
For a richer flavor, let the onions caramelize slowly and steadily. You can also add a glass of dry white wine before the broth for extra depth.
