If you can’t get a purple potatoes just use the white. The purple potatoes taste just like the white but it is really impressive on the plate.
1 tbsp. olive oil
2 medium white potatoes, unpeeled
2 medium purple potatoes, unpeeled
Salt and pepper
Slice the potatoes into 1/4” slices and toss with the olive oil and salt and pepper. Place in a baking dish and put into a 4oo oven. Turn after ten minutes then cooked till brown on both sides. If you like them crispy, cook a little longer being careful not to flambé them.