On a lightly Floured work surface, roll out of the Pizza Dough. Cut out 8 small circles.
For the Chop Ham and Mozzarella Filling:
Place a tablespoon of Olive Oil in a medium skillet over medium-high heat, add the passata and let it simmer for 20 minutes. Season with oregano, salt and pepper.
Ladle a small amount of this salsa off-centre on the pizza dough round, and top with some of the Mozzarella and Ham. Fold over the dough, and crimp edges with the tines of a fork.
Heat a half-inch of Vegetable Oil in a skillet over medium-high heat. Fry the Panzerotti for 3 to 4 minutes per side, until golden brown. Remove to a paper towel-lined plate, and serve.