Fill the pan for the steamer with boiling water add a 2-3 pinches of salt and bring back to a hard boil
Cut the new potatoes in half or the regular potatoes into a dozen pieces each
Carefully add the potatoes to the pan and plan to cook for 15-20 mins until until cooked but not overly soft
While the potatoes are cooking, put the frying pan on a low heat so that that our not starting from scratch when you come to cook the fish
Add the mayo, horseradish and yoghurt to the mixing bowl
Add a good grind of salt and pepper
Chop the cornishon in half lengthways and then cut each one into 10-12 pieces
Lightly squash the caper then give then a good chopping too
Use the scissors to finely snip / chop the chives into the mixing bowl