01 -
Turn your oven on and set it to 500°F.
02 -
In a big mixing bowl, stir together the spinach, ricotta, mozzarella, olive oil, egg yolk, garlic powder, oregano, red pepper, and salt.
03 -
Take the pizza dough, set it on a floured countertop, and cut it evenly into 4 parts.
04 -
Roll or stretch out each dough piece into a 7-inch circle on parchment paper.
05 -
Take a quarter of the spinach mixture and spread it on one half of each round, leaving about an inch of space along the edge.
06 -
Brush the edges using the egg mixture, fold the other dough half over the filling, and pinch the edges shut, leaving a small border uncovered.
07 -
Create 5 small openings on top of each calzone using a sharp knife, then brush the tops with egg.
08 -
Put the calzones onto a baking sheet covered with parchment. Bake for 8 minutes, brush with egg wash again, sprinkle Parmesan on top, and bake for another 7 minutes.
09 -
Move calzones to a rack, let them sit for 5 minutes, then eat while warm.