Obtain a Boiling Cauldron from Mother Wu in the Waxwood Forest, then return to Groundskeeper Wu in the Tian Monastery.
Some of our trainees have... larger-than normal appetites. We have occasionally had difficulty supplying enough food for all of them. In times like these, we have to ask for help.
A kindly older woman, who lives in a small house to the northwest, has agreed to make some stew for our trainees. All you need to do is go and get it.