À la Béarnaise is a French cooking term that means “in the style of Béarn.”
Béarn is the former name for a region in the Pyrenees mountains of France. Now the area is roughly occupied by the département of Pyrénées-Atlantiques.
The term usually means with Béarnaise sauce but it can also mean something prepared in the cooking style of the region of Béarn.
Pot-Au-Feu à la béarnaise
This dish consists of a whole chicken filled with a stuffing made from minced garlic, minced parsley, minced shallots, the chopped livers from the chicken, chopped Bayonne ham and sausagemeat (or ground fresh pork.)
The region of Béarn