- Talk to Hilda.
- Trade a King Truffle to Hilda and she will give you the key item Steaming Sheep Invitation.
- Go to the Metalworks and talk to Raibaht in Cid's Lab.
- Return to the restaurant and talk to Hilda to complete the quest.
- Hilda (Steaming Sheep Restaurant, Port Bastok)
- Bring a king truffle to Hilda so she can serve it to an old Steaming Sheep customer.