If it’s pre-roasted, it stays in larger sized globs that could be skimmed off the top or filtered out before the stock is finish. If you prefer a clear inventory, undoubtedly pre-roast.U must try the just one at Padungan… “TU KAH PENG” / pork leg rice… it is very nearby to the CAT STATUE. In case the Cat Statue is with your proper, the