01 - Preheat oven to 400°F or air fryer to 375°F.
02 - Lay out flour tortillas on flat surface. Spread 2-3 tablespoons pizza sauce in center of each, leaving 1-inch border clear around edges.
03 - Distribute mozzarella cheese evenly among tortillas. Top with pepperoni or mushrooms, bell peppers, olives, red onion, oregano, and garlic powder.
04 - Fold left and right edges of each tortilla inward toward center. Roll from bottom edge upward to create tight burrito, ensuring filling is completely enclosed.
05 - Lightly brush or spray exterior of each burrito with olive oil on all sides for even browning.
06 - Place burritos seam-side down on parchment-lined baking sheet for oven method, or arrange in single layer in air fryer basket without overcrowding.
07 - Oven method: Bake 18-20 minutes until golden brown and crispy. Air fryer method: Cook 8-10 minutes, flipping halfway through, until exterior is crisp and lightly browned.
08 - Remove from heat. Sprinkle with grated Parmesan and garnish with fresh basil leaves if desired. Serve immediately.