Soupe À L’oignon Gratinée Recipe
A Bistro favourite. Onion soup topped with gourmet cheese croûte
Was this page helpful?
Help improve this recipe for others.
Send this recipe to your inbox.
We'll email it straight to you - plus weekly cooking inspiration.
Ingredients
Some product links may be affiliates. If you buy through them, you're supporting the site and Pekin may earn a commission at no extra cost to you.
Soup Base
Croûte Topping
Method
Soup Preparation
- 1
- 2
Add Garlic and Liquid
Stir in the minced garlic and cook for an additional 1-2 minutes until fragrant. Pour in the dry white wine and scrape the bottom of the pot to deglaze. Let it simmer for 5 minutes.
- 3
Add Broth and Seasonings
Add the beef broth, thyme, bay leaf, salt, and black pepper. Bring to a boil, then reduce to a simmer for about 20-30 minutes.
- 4
Remove Bay Leaf
Remove the bay leaf and adjust seasoning if necessary.
Croûte Preparation
- 5
Toast Bread
Preheat your oven to 350°F (175°C). Brush the baguette slices with olive oil and place them on a baking sheet. Toast in the oven for about 10 minutes until golden.
- 6
Assemble Soup
Ladle the soup into oven-safe bowls and place a toasted slice of baguette on top of each bowl. Sprinkle with Gruyère and Parmesan cheese.
- 7
Broil
Place the bowls under the broiler for 3-5 minutes until the cheese is melted and bubbly. Keep an eye on them to prevent burning.

