Potato Gnocchi Stuffed with Tomato Sauce & Mozzarella

potato 81.7% , wheat flour 2.0% , crushed tomato 2.0% , E330 2.0% , liquid whole egg 2.0% , mozzarella 2.0% , milk 2.0% , salt 0.6% , microbial rennet 0.6% , lactic ferments 0.6% , salt 0.6% , liquid egg white 0.6% , extra virgin olive oil 0.6% , onion 0.6% , basil 0.6% , sunflower oil 0.6% , garlic 0.6%