Place cheesy spinach on top of the meats, then sprinkle mozzarella on top of the cheesy spinach.
Then, roll-up the dough and seal seam and ends. Bake for 20 minutes, then brush the Stromboli with egg wash and bake again for another 5 to 10 minutes or until the surface is golden brown.
Take-out Stromboli from the oven and let it cool, the slice it onto desired thickness and serve.