Seems to be available anywhere:
You can't sleep for hunger
Your belly growls…
unlocked with Unaccountably Peckish 1
Your belly growls. You toss and turn. What is wrong here?
Option 1: Roast chestnuts. That should do it.
There's a seller of roast chestnuts round the corner. At least he says they're chestnuts. They do taste a little fungal.
unlocked with Rostygold 10
Option 2: Rare meat. No. Raw meat.
To the butchers! This dreadful hunger must be satisfied!
unlocked with Unaccountably Peckish 3, 7 x Whispered Secret
Option 3: Perhaps you're not hungry, exactly.
To Veilgarden. Perhaps you can find congenial company there. Of one gender or another.
unlocked with Unaccountably Peckish 3, 5 x Drop of Prisoner's Honey