Heating cooker

A heating cooker comprising:

• a main body portion;
• a door portion having a door hook and being movable with respect to the main body portion;
• and a lock mechanism including a cam, a motor that rotates the cam, and a lock lever member that rotates in a first direction about a fulcrum with rotation of the cam, wherein
• the lock lever member includes:
• a first portion extending in a direction away from the fulcrum and provided with an engagement portion that engages with the door hook;
• and
• a second portion extending in a direction away from the fulcrum and provided at a position in a second direction opposite to the first direction with respect to the first portion, and
• when the lock lever member rotates in the first direction from a locked state where the engagement portion engages with the door hook,
• the first portion moves in a direction away from the door hook to release the locked state, and
• the second portion comes into contact with the door hook to push out the door portion in an opening direction.