Nantua sauce (French: sauce Nantua [sos nɑ̃tɥa]) is a classical French sauce consisting of:
It is named for the town of Nantua, which is known for its crayfish,[1] and the term à la Nantua is used in classical French cuisine for dishes containing crayfish.[2]
Sauce Nantua is the classic accompaniment to quenelles de brochet (pike dumplings), making quenelles Nantua.[3][4]