Wash and clean the zucchini and cut into very thin slices. Peel, wash and roughly grate the potatoes. Wash and halve 100 g cherry tomatoes. Cut ham into small cubes. Put the prepared ingredients in a flat dish.
Spread the sauce on top. Sprinkle with grated cheese and season with pepper. Bake in the preheated oven (electric cooker: 200 °C/ gas: level 3) for about 40 minutes. Wash the remaining cherry tomatoes, cut in half and place on the casserole. Serve garnished with parsley