Provided in the present invention are a mixture for producing a rice cake having superior high-temperature shape retention, which has a shape that does not change even when reheated at a high temperature after production, and a rice cake produced from the mixture. The mixture is characterized by comprising 0.01 to 5 parts by weight of cellulose ether based on 100 parts by weight of rice flour. Further provided in the present invention is a rice cake having high-temperature shape retention, derived through a process of kneading and steaming a mixture of 0.01 to 5 parts by weight of cellulose ether and 100 parts by weight of rice flour. Thus, the rice cake of the present invention has the advantage of long-term storage.
