Wary though I am after the controversy stirred up last time I had to post a picture of these shetland blacks also from the potato man at the farmers’ market.
I was surpised, when I cut into them, that the blue is just a seam near the surface. Clever camoflage to hide the yellow within… and they are not any where near as tasty as the salad blues.
Down with this sort of potato fakery.
I suspect you of being a potato puritan.