Kumara is also know as a sweet potato. Watercress can be substituted for puha. If using smoked pork, omit added salt.
Bullcrap that's no Moari style boil up this is how you do it, Pork bones with a good amount of meat on them about 4 or so kilos should do for a couple of days maybe 3. Put it in 20 litre pot full over the top of meat with water at least 3 inches Add about about half cup of salt boil for 2hrs then add veg pha/wtc xtra 30minz. - 25 Jan 2015