Mix potatoes with flour, sour cream, egg and season to taste, add diced bacon. Cover baking tray with baking paper( maybe 2 baking trays). Place cooked dough on the paper, sprinkle with grated cheese. Bake in the oven at 190 degrees Celsius for 20-30 minutes. If you use 2 baking trays, swap them after 10-15 minutes.