An induction heating cooker comprising: a top plate on which a cooking container is placed; an inverter (3, 8) which is provided under the top plate and includes a heating coil for heating the cooking container; an infrared sensor which is provided under the top plate and is adapted to output infrared-ray detection information indicative of a temperature of the cooking container, on detecting an infrared ray radiated from a bottom surface of the cooking container and passed through the top plate; a scorching detection portion adapted to output scorching detection information indicative of an occurrence of scorching of an object to be cooked to the cooking container, on detecting that the temperature indicated by the infrared-ray detection information has increased to be equal to or higher than a second set value; an output setting portion for selecting a single set output value, out of a plurality of different set output values; and a control portion which is adapted to control a heating operation by the inverter in such a way as to supply a high-frequency electric current to the heating coil and to make a heating output equal to a set output value selected through the output setting portion, and is adapted to perform a heating-output suppression operation for suppressing the heating output or stopping the heating operation by the inverter (3, 8) for preventing scorching from being progressed, based on the scorching detection information, characterized in that the control portion includes a detected-temperature calculation portion adapted to convert the infrared-ray detection information into a temperature, and a first time-measurement portion adapted to measure a cooking time period after start of the heating operation by the inverter (3, 8), and the control portion performs the heating-output suppression operation based on the scorching detection information, when the measured cooking time period measured by the first time-measurement portion is equal to or more than a first set elapsed time period. a top plate on which a cooking container is placed; an inverter (3, 8) which is provided under the top plate and includes a heating coil for heating the cooking container; an infrared sensor which is provided under the top plate and is adapted to output infrared-ray detection information indicative of a temperature of the cooking container, on detecting an infrared ray radiated from a bottom surface of the cooking container and passed through the top plate; a scorching detection portion adapted to output scorching detection information indicative of an occurrence of scorching of an object to be cooked to the cooking container, on detecting that the temperature indicated by the infrared-ray detection information has increased to be equal to or higher than a second set value; an output setting portion for selecting a single set output value, out of a plurality of different set output values; and a control portion which is adapted to control a heating operation by the inverter in such a way as to supply a high-frequency electric current to the heating coil and to make a heating output equal to a set output value selected through the output setting portion, and is adapted to perform a heating-output suppression operation for suppressing the heating output or stopping the heating operation by the inverter (3, 8) for preventing scorching from being progressed, based on the scorching detection information, characterized in that