You can only buy it if you go in from 10 to 12 in the morning.

When you leave your house the day before (Spring 21st AM 6:00-PM 12:00), Thomas will inform you about the cooking festival. "When participating in the competition", after the foodie poses the question, he or she will prepare food at home from 12:00 PM to 6:00 PM and bring it back to the square. Talk to Thomas and select "Brought" → "Yes". The characters that appear are Thomas, Gourmet, Sasha, Kallen, Mana, Goz, Carter, Zack, Lilia, Dart, Lan, Rick, and Dot. Time: AM10:00～PM6:00, Venue: Plaza.

Result: Resident friendliness of the dialogue in the square is 5 (only once). The protagonist wins, and the friendship level of all residents in the square is 20. A festival to compete in cooking skills. After setting the topic, the gourmet went home to cook. After cooking, he brought it to the square to talk to Thomas to start the selection. The judgment standard is the cooking value converted from the physical recovery amount and fatigue recovery amount of the cooking.