A rich, savory beef broth-based soup filled with deeply caramelized onions and topped with a generous layer of melted Gruyère or Emmental cheese. Modified to be keto by strictly omitting the traditional bread crouton and ensuring no added sugar to the broth or onions.

Key ingredients

Onions, beef broth, butter, Gruyère/Emmental cheese, a touch of brandy or dry white wine, salt, pepper.

If you order it anyway

Crucially, request no bread or crouton in the soup. Confirm no added sugar in the broth or during onion caramelization beyond the natural sugars from the onions themselves. Ask for extra cheese to compensate for the missing bread.

If you order it anyway, say this (French)

Je voudrais la Soupe à l'oignon gratinée sans croûtons. Le bouillon est-il lié à la farine ou y a-t-il beaucoup de sucre dans les oignons ?

Soupe à l'oignon gratinée without croutons, please. Is the broth flour-thickened? Or much sugar in the onions?

Watch out for

High quantity of caramelized onions means significant natural sugars. Potential for added sugar in broth or for faster caramelization. The traditional bread crouton is high carb and must be omitted.

Macros are estimates for a typical serving and vary by restaurant. Confirm ingredients with staff, especially if you have allergies. Our ingredient lists are generated automatically and describe how a dish is typically made.