Rouennaise sauce (fr. Sauce Rouennaise) is a Bordelaise sauce with the addition of puréed duck liver. This sauce is served with Canetons à la Rouennaise, which was one of the dishes served at the famous "Dinner of the Three Emperors".^[1]

References

v t e Brown sauces
Meat-based	Bordelaise sauce Breton sauce Chasseur sauce Chaudfroid sauce Demi-glace Espagnole sauce Rouennaise sauce Sauce africaine Sauce bourguignonne Sauce Robert Sauce charcutière
Vinegar-based	British brown sauce Daddies HP Sauce OK Sauce Steak sauce A.1. Sauce Henry Bain sauce

See also