Share: Parboil To boil foods, usually vegetables, until partially cooked. Most often used when vegetables are finished using another cooking method or chilled for marinated salads or appetizer dips. Related Tips Marble To swirl light and dark batters in a cake, bar cookie, pie or cheesecake. The batters should not… Deep-Fat Fry To cook foods in enough hot oil so that the food floats in the oil. Steep To place dry foods, such as tea leaves, in hot water to extract flavor and/or color.