Palate cleanser

A palate cleanser is generally a neutral flavored element in food that enables to clear the palate from one flavor to another; in cultures where diversity of flavors in dishes is customary, the palate cleanser is considered an essential companion to entrees.

Palate cleansers are often used between tasting wine or cheese or other strong flavors. Pickled ginger is used as a palate cleanser between sushi pieces.

Some widely used palate cleansers are sorbet, bread, apple slices, and pickles. Tart or citrus flavors are also used as a cleanser, such as braised pineapple or grapefruit.

Bamia is a traditional Anatolian-era stew that is sometimes served as a palate cleanser between food courses at ceremonial feasts.

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Wikipedia