From Pathfinder Lost Omens Tian Xia Character Guide, which isn't enabled.

Chilled Fire Noodles

ITEM 1

Price 3 gp

Usage held in 1 hand

Bulk L

Activate (manipulate)

Access Tian Xia origin

These cool noodles are served with dark fermented sauces and vinegars before finally being tossed with spicy chili oil.

When you consume the noodles, you temporarily ignore the -1 status penalty to AC and saving throws caused by the Fatigued condition for 1 hour.

Pathfinder Lost Omens Tian Xia Character GuideORC