Zapiekanka are basically a long baguette bread roll cut in half, covered with a variety of toppings, baked in an oven and eaten hot. The classic zapiekanka (open sandwich) have a cheese and mushroom topping. Equally popular is the cheese and ham variety. Zapiekanki are sold at many takeaway fast food outlets throughout Poland and a popular snack in many Polish homes. Tomato Ketchup is a typically added in fairly large quantity on top before eating.