Wash potatoes well, dab dry and cut into slices. Season with salt and pepper. Sprinkle with oil and mix everything well. Spread on a fat pan lined with baking paper
Cut pepperoni into rings. Spread bacon and pepperoni on the potatoes. Grate the cheese over the potatoes. Bake in the preheated oven (electric cooker: 175 °C/circulating air: 150 °C/gas: level 2) for approx. 45 minutes. Add Sour Cream