Steps
1. In a pan, heat olive oil over medium heat.
2. Add red onion and red bell pepper, sauté until softened.
3. Add spinach, cook until wilted.
4. Season with salt and pepper.
5. Place the tortilla on a flat surface.
6. Spread the sautéed vegetables on the tortilla.
7. Sprinkle feta cheese on top.
8. Roll the tortilla tightly into a wrap.
9. Cut in half diagonally and serve.