Add all of the dry ingredients to a bowl and mix well.
Peel and finely grate kumara, melt butter and add these to the dry ingredients.
Add milk to the bowl and mix until it resembles a cookie dough consistency.
Roll mixture into a log and cut into 8 segments.
Place mixture onto foil rectangles angles and fold up into parcels (see instructions above).
Place parcels in a steaming pot (see instruction for D.I.Y steaming above).
Place on lid and steam for 30-35 minutes.
Carefully remove foil and serve hot and fresh with cream!