Cut the peeled jacket potatoes and the prepared tomatoes into slices. Roughly chop the basil, grate the cheese.
Now layer all the ingredients alternately in a greased baking dish (oil, potatoes, tomatoes, spices, basil, oil, cheese, etc.), repeat if necessary. Finally, spread the grated cheese on top. Bake at 175 ° C (convection) for approx. 30 - 45 minutes.