If you like colourful, accessible food, this one is for you. This recipes shows off the lovely purple Urenika potato but you can substitute any good quality potato and the flavours will be the similar. Coloured potatoes contrast beautifully with smoked salmon and lemon so if you can, opt for colour potatoes. The deep purple Urenika or Maori potato is precious here in New Zealand. They are pretty boring looking the outside, and their secret is within. The small knobbly spuds can be found at most farmers markets but are absent from supermarket chains and as there is no mass farming of these potatoes. It’s as shame as they are quite beautiful to look at and taste earthy. I guess their rarity makes them more special. I’ve heard these potatoes can be quite easy to grow. In any case, at the end of summer, I poked a few sprouting potatoes into a planter box. The tomatoes were finished so I figured I had nothing to lose. A plant that looked liked nightshade sprouted up and …