Making the Cheesy Mediterranean Quesadilla is straightforward if you follow these simple steps:

1. Prep Ingredients: Chop the spinach, sun-dried tomatoes, and olives. Set aside.
2. Heat Oil: In a large skillet, heat the olive oil over medium heat.
3. Layer Ingredients: Place one tortilla in the skillet. Sprinkle half of the mozzarella cheese evenly over the tortilla.
4. Add Fillings: Layer half of the spinach, sun-dried tomatoes, olives, and feta cheese on top of the mozzarella. Sprinkle with oregano, garlic powder, and black pepper.
5. Top with Cheese: Add the remaining mozzarella cheese over the fillings. Place another tortilla on top.
6. Cook: Cook for 3-4 minutes until the bottom tortilla is golden brown and the cheese begins to melt.
7. Flip Quesadilla: Carefully flip the quesadilla using a spatula. Cook for an additional 3-4 minutes on the other side until golden brown.
8. Remove from Skillet: Once both sides are crispy and the cheese is melted, remove the quesadilla from the skillet.
9. Slice: Let it cool for a minute, then slice into wedges.
10. Garnish: If desired, garnish with fresh basil leaves before serving.

These steps will help you create an amazing Cheesy Mediterranean Quesadilla effortlessly.