PURPOSE: To judge viscosity of preparations and existing conditions of solid contents when preparing cooped food and to adjust automatically heating power suitable for the respective cooking characteristics. ;CONSTITUTION: A degree of viscosity of a preparation also, the kind of the preparation 3b and an existing condition of a solid content judged by providing a concentration judging means 7. After food is heated to a prescribed temperature 4 by prescribed heating W1 in preparing cooked food, heting power is switched to prescribed heating power W2 lower than the W1, and heating operation is switched automtically to proper heating power for preparation and boiling-over or scorching is prevented, and preparing performance is improved.;COPYRIGHT: (C)1994,JPO&Japio
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