Tartar sauce can also be enhanced with other herbs, lemon juice, and olives.

[1] Tartar sauce is based on either mayonnaise or aioli, with certain other ingredients added.

In the UK, recipes typically add to the base capers, gherkins, lemon juice, and dill.

US recipes may include chopped dill pickles, onions (or chives), and fresh parsley; many around the world combine elements of both.

[1] Chopped hard-boiled eggs or olives are sometimes added, as may be Dijon mustard and cocktail onions.