Kumpir is street food, originally from Turkey. In Turkey, this baked, stuffed potato is just as common as in the Netherlands, a portion of fries from the snack bar around the corner.
The potato is baked in an oven, cut in and the crumb is mixed with some butter and sometimes also cheese is added. The potato is flavored with a mix of various toppings, for example corn, peas, pieces of pickle, pieces of olive or slices of sausage. But nowadays you also see many other variations: smoked salmon, crème fraîche or beet salad. In principle, anything is possible!