Cilantro is a chef. He will teach your primary pet how to cook certain food-items in the kitchen in a PF house.
He will ask you for 1 item, often a stuffy or toy.
This quest can be done every 120 minutes.
Below is a list, sorted alphabetically which is not the way it is shown at Cilantro's Quest, with the items which your primary pet is able to learn at skill level 1.
Learn more about the Skill Level and how to raise it.