Ta sauce Tartar is incorrectly written and should be written as "tartar sauce" being its meaning:! Cold sauce that accompanies meat dishes, such as chicken or pork chop of pork and fish, that comes from the Tatar tribes of Mongolia, and that includes mayonnaise, mustard and Pickles in vinegar, capers, olives, green onions, radish and parsley, all finely minced and mixed with a splash of lemon and a pinch of salt.