There’s not a form of mashed potato that doesn’t speak deeply to me, but this Colcannon with Brown Butter is just on another level. The colcannon itself doesn’t really veer from the traditional Irish dish of mash and kale or cabbage, but instead of having a melted pool of golden butter on top, along with the also traditional scallions (that’s to say, spring onions) I brown the butter first, so that it is deep, caramelly and nutty. But then, brown butter is one of life’s great joys. It’s easy…