Stuffed Zucchini Pesaro-Style with Ground Veal, Tomatoes, Parmesan, and White Wine

From my earliest efforts as a cook, I have enjoyed exploring the potential of a hollowed zucchini and have found it can contain a diversity of good things: ground pork and such pork products as prosciutto and pancetta, ground lamb and rice, or rice with wholly vegetarian accompaniments such as onions, tomatoes, and herbs. You can adapt the procedure described below to produce combinations of your own devising. These are the zucchini I have been making lately, a dish I had in the Marches sea