7,993,693 (Aug. 9, 2011), J. Bows, et al., assigned to Frito-Lay Trading Co. (Europe) GmbH, Bern, Switzerland

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Healthy snacks with an appearance and taste similar to conventional fried snack products are manufactured without an oil-frying process. Food slices from a starch-based food or dough are blanched, and a controlled amount of oil can be added to enhance final organoleptical properties. The food slices are then rapidly dehydrated to a much lower moisture content in a primary drying step that simulates conventional frying dehydration rates. The ready-to-eat food produced by this method — a corn- or potato-based snack — is low in fat but has the conventional texture and taste associated with fried snack products.