1. ALLOW the dough to rest at room temperature for 30 minutes. 
  2. DUST the dough with flour and roll the dough out to ¼-inch thickness.
  3. LAYER the ham, cheeses, peppers, and Italian seasoning on half of the dough. Fold over to seal.
  4. MIX the egg and milk together. Brush the top of the dough with egg wash. 
  5. SPRINKLE salt, oregano, garlic powder, and pepper over the top. Set aside.
  6. SELECT Preheat on the Cosori Air Fryer, adjust to 350°F, and press Start/Pause.
  7. PLACE the stromboli into the preheated air fryer.
  8. COOK at 350°F for 20 minutes. Flip the stromboli every 5 minutes during cooking.