Burcu ErginsoyAide de Cuisine
09 July 2026 Son güncelleme: 05 August 2026

This French-style soup, made by slowly caramelizing onions and simmering them in beef broth, is served gratinéed in the oven with a slice of bread and melted kaşar cheese on top. It's a classic starter fit for guest tables.

Step by Step

How to make it?

1

Caramelize the onion

35 min

Cook the onions in butter over low heat, stirring frequently, until they turn deep golden and soften.

2

Toast the flour and add the liquid

5 min

Sprinkle flour over the caramelized onions and toast for a minute or two, then add the beef stock and bay leaf and bring to a boil.

3

Cook over low heat

15 min

Cook the soup over low heat for another 15 minutes, then remove the bay leaf.

4

Gratin in the oven

8 min

Divide the soup among heatproof bowls, top with a baguette slice and plenty of grated kaşar cheese, then bake in a preheated oven until the cheese puffs up and turns lightly golden. Caution: the bowls will be very hot when removed from the oven, use oven mitts.

Reminder

Important: Keep the heat low and stir frequently while caramelizing the onions to prevent burning — this step should take at least 30 minutes without rushing. Contains dairy and gluten (bread), so not suitable for those with the relevant allergy.

Editor's Note Editörün Notu

If you add a little water to the pan a few times while caramelizing the onions, the tasty bits stuck to the bottom of the pan dissolve and blend into the soup; make sure the bowls are heatproof before putting them in the oven.

Admin DadaGastro · verified in test kitchen
#Meal for Guests #Oven #Onion Soup
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