Talking about Mutton Stew, 16 gil, available from any of the 3 cities food vender. And you get 650 GP with that food counting, 606GP base+ 19GP food + 25GP from the 5 swings getting you to the point of using the 100HQ skill=650GP Lets you use Reveal 300GP+ gather increase 5% gather 50 GP+ extra strike 300GP. For the old unspoiled that will get you 100% gather and 2 HQs strikes every time.

The difference between NQ Mutton Stew and HQ Beef stew on unspoiled nodes is +1% gather. NQ Lentils And Chestnuts 34gil perception vender food doesn't increase your HQ rate, not sure about HQ Dzemel Gratin. The unspoiled nodes I am talking about are the ones you get the items from for the master tools.