Clean and wash the zucchini and tomatoes. Cut the zucchini into slices and the tomatoes into quarters. Grate half of the cheese roughly on a household grater. Boil 2-3 l water with 1-2 tsp salt in a large pot. Heat the fat in a large pan. Add the vegetables and fry them for about 5 minutes. Turn it over with a spatula from time to time
Pour the noodles into the boiling water, boil them for about 10 minutes. Season the vegetables with salt and pepper, take them out of the pan. Put the gyros in it, fry it for about 5 minutes, turning it frequently. Take it out. Preheat the oven (electric cooker: 200 °C/ circulating air: 175 °C/ gas: level 3). TIP: Always put pasta in boiling (not cold!) water. So they keep their shape
Pour the milk and cream into the pan while stirring, bring everything to the boil and sprinkle the sauce thickener while stirring. Add the grated cheese at low heat and stir until it is completely melted. Season the sauce with salt and pepper. Pour the pasta into a sieve and drain well
Now grease a flat refractory mould well. Add noodles, vegetables and gyros and mix everything a little bit. Pour the sauce over it and grate the remaining cheese over it. Push the grid of the oven into the middle of the oven. Put the casserole on top and bake for 10-15 minutes