Clean asparagus and courgette and cut into cubes. Cook in a pan with oil, salt and peas and add a little water, if needed, to obtain a sauce. Whisk eggs, add a little water, much pepper and PDO Parmigiano Reggiano cheese. Cook PDO Parmigiano Reggiano cheese in salted water, drain and season with the sauce. Remove from the flame and add whisked eggs. Let it grow and serve.