Grate the washed zucchini and place in a bowl. Add cream cheese or sour cream, 100 g cheese, salt, pepper, olive oil, pressed garlic clove, parsley, vegetable stock or Vegeta and mix well.
Fill the cannelloni with the zucchini mixture and place in a baking dish. Pour the whipped cream over it and sprinkle with the rest of the cheese. Cook in the oven for approx. 40 minutes at 180 ° C.