01 - Preheat air fryer to 360°F for 5 minutes.
02 - Divide pizza dough into 4 equal portions. Roll each portion into a 6-inch circle on a lightly floured surface.
03 - Combine chicken, mozzarella, Parmesan, Alfredo sauce, spinach (if using), minced garlic, Italian seasoning, salt, and pepper in a mixing bowl. Mix until evenly blended.
04 - Spoon one quarter of the filling onto half of each dough circle, leaving a 1/2-inch border at the edge.
05 - For added crunch and flavor, sprinkle cheddar cheese over the filling if desired.
06 - Fold dough over the filling to create a half-moon shape. Firmly pinch edges to seal and crimp with a fork for extra security.
07 - Lightly brush the tops with beaten egg, then drizzle or brush with olive oil for enhanced crispiness.
08 - Place calzones in a single layer in the air fryer basket. Cook in batches if needed.
09 - Air fry at 360°F for 12 to 15 minutes until calzones are golden brown and crispy.
10 - Let calzones cool for 2 to 3 minutes before serving.