After her final exam, she began her career in 1998 as a cooking assistant at the Villa Eugénie of the Hôtel du Palais in Biarritz.

[1] She pursued in 2000, still as a cooking assistant, in the three starred restaurant Louis XV in Monaco with Alain Ducasse.

[1] She then became a sous-chef in 2001 at the restaurant La Chèvre d'Or in Èze, Alpes-Maritimes with the two starred chef Philippe Labbé,[1] and from 2004 to 2008, she is hired as a sous-chef at the restaurant L'Hippocampe of the Hôtel du Palais in Biarritz with Jean-Marie Gautier.

[1][2] Andrée Rosier became in 2007 and only at the age of 28, the first woman to receive the title of Meilleur Ouvrier de France.

[2][3][4] In 2008, she founded her own restaurant Les Rosiers located in Biarritz, where she works with her husband Stéphane.