Tartar sauce since the 19th century. Tartar sauce Tartar sauce (spelled tartare sauce in the UK, New Zealand, Australia, South Africa, and other parts of the Commonwealth) is a mayonnaise of French origin, and is typically of a rough consistency due to the addition of diced gherkins or other varieties of pickles, capers and parsley. It is often used as a condiment with seafood dishes. It is most commonly used with clam strips, fried oysters, fish and chips, fish sandwiches, and fish fingers, among many other dishes. Tartar sauce is based on either mayonnaise (egg yolk, mustard or vinegar, oil) or aioli
Mornay sauce Mornay sauce A Mornay sauce is a béchamel sauce with shredded or grated Gruyère cheese added. Some variations use different combinations of Gruyère, Emmental cheese, or white Cheddar. A Mornay sauce made with cheddar is commonly used to make macaroni and cheese. The name origin of Mornay sauce is debated. It may be named after Philippe, duc de Mornay (1549–1623), Governor of Saumur and seigneur du Plessis-Marly, writer and diplomat, but a cheese sauce during this time would have to have been based on a velouté sauce, for Béchamel had not yet been developed. "Sauce Mornay" does not appear in