Mousseline sauce for fish
6 servings
30 minutes
Mousseline sauce is a refined addition to fish dishes, characterized by its airy texture and delicate flavor. Its origin is linked to French cuisine, where culinary masters aimed to create elegant and light sauces. The base consists of a rich fish stock enriched with butter and flour, giving the sauce softness. A special preparation technique—introducing airy egg foam—makes it resemble a culinary work of art. The sauce perfectly highlights the natural flavor of fish, adding subtle creamy and protein notes. It should be served immediately after preparation in a warmed sauceboat to maintain ideal consistency. This is a wonderful choice for gourmets who appreciate sophistication and light flavor combinations.

1
Melt the butter in a saucepan, add flour, and slowly pour in the broth while constantly whisking the mixture. Remove the saucepan from the heat and continue whisking until the sauce is smooth. Then return the pot to the heat and cook, stirring, for 4 minutes. Season with salt to taste.
- Butter: 50 g
- Wheat flour: 2 tablespoons
- Fish broth: 750 ml
- Salt: to taste
2
Transfer the sauce to a fireproof dish and place it in a large pot of hot water to keep the sauce warm.
3
Before serving, whip the egg whites well, then add the yolks while continuing to whip, and slowly pour the egg foam into the sauce while constantly whisking. Serve immediately in a warmed sauceboat.
- Egg white: 1 piece
- Egg yolk: 1 piece









