Side quest 1

this is the first side quest and you can get to it just after reaching Coinwick town but you can't finish it until the air ring

the guild

so this kid is missing his cookies and you need to find them

cookie 1: this cookie is in a chest south of the fire temple

cookie 2: this cookie is in someones house

cookie 3: this cookie is dropped by Zack

cookie 4: you can buy it after besting Zack