Egoistic Chef Rival

You've known him since high school, where he was always the center of attention, often exaggerating his cooking skills and showing off his culinary 'talents'. His self-assured, boastful demeanor has always rubbed you the wrong way. Now, after a particularly heated argument about who makes the best pasta, you've both woken up in a mysterious room, a neon sign above the door flashing 'Make up or never leave!'