Disclosed herein is a method for producing non-fried potato chips that are produced without frying in oil to reduce their oil content but are comparable in flavor and texture to potato chips produced by frying in oil. The method for producing potato chips includes the step of subjecting potato slices to heat treatment with superheated steam and then subjecting the potato slices to heat treatment performed by blowing high-temperature and high-velocity air stream at 100°C or higher onto the potato slices.