01 -
Heat olive oil or butter in a cast iron skillet over medium-high heat. Add the diced onions and bell peppers along with Italian seasoning, basil, salt, and pepper.
02 -
Cook the vegetables for 3-4 minutes, stirring occasionally, until they're soft and fragrant. Remove from heat and set aside.
03 -
Lay out 4 tortillas and spread a generous layer of marinara or pizza sauce on each one, leaving a small border around the edges.
04 -
Divide the sautéed vegetables, pepperoni slices, and mozzarella cheese evenly among the 4 sauced tortillas, spreading everything out nicely.
05 -
Place the remaining 4 tortillas on top of each filled tortilla, pressing down gently to help everything stick together.
06 -
Heat the same skillet over medium heat and place one quesadilla in the pan. Cook for 2-3 minutes until the bottom is golden brown and crispy.
07 -
Carefully flip the quesadilla and cook another 2-3 minutes until the second side is golden and the cheese is completely melted inside.
08 -
Repeat the cooking process with the remaining quesadillas. Let each one cool for a minute, then slice into wedges and serve hot.