Tartar sauce is a cool dipping sauce that goes well with seafood, particularly fish. It’s a creamy condiment with a rich and acidic flavor. Because it’s usually used for fried fish and fried oysters, tartar sauce is a common condiment at many seafood restaurants. It can also be used as a salad dressing or a dipping sauce for sandwiches and roasted vegetables. Tartar sauce is a fantastic accompaniment to seafood. This tartar sauce recipe comes up quickly and effortlessly with only four ingredients.