Preheat oven to 375°F. Unroll the dough sheet onto a large cutting board or lightly floured surface. Using a sharp knife, cut the dough into 4 rectangles (about 6 x 4-inches each).
Spread about 1 tablespoon of marinara sauce on one half of each rectangle. Top with about 2-3 tablespoons of cheese and any other pizza toppings of choice.
Fold the dough over the fillings, pinching and sealing the edges of each pocket with fork.
Sprinkle Parmesan cheese and a pinch of Italian seasoning on the top of each rectangle. Use a paring knife to cut small slits in the top of each pocket to allow the steam to vent.
Arrange the pockets on a parchment-lined rimmed baking sheet.
Bake for 13-15 minutes, until puffy and golden brown. Serve with warm marinara sauce for dipping, if desired.
