Thaw the spinach. Peel and chop the onion and garlic, sauté in the oil. Drain the spinach and add, steam for 4 minutes, season.
Prepare zucchini, grate, drain mozzarella, dice. Mix half with the spinach, zucchini, cream, cottage cheese, pizza seasoning, salt and pepper.
Preheat the oven to 200 degrees (convection 180 degrees).
Layer the pasta and vegetable mixture alternately in an oiled baking dish. Season the tomatoes, pour over them and sprinkle with the rest of the mozzarella.