Steps
1. Preheat the oven to 375°F (190°C).
2. Heat olive oil in a pan over medium heat, sauté chopped onion until translucent.
3. Add shredded chicken, season with salt and pepper, and stir for 2 minutes.
4. Warm tortillas slightly to make them pliable.
5. Dip each tortilla in enchilada sauce, then fill with chicken mixture and a little cheese.
6. Roll up tortillas and place them seam side down in a small baking dish.
7. Pour remaining enchilada sauce over the rolled tortillas.
8. Sprinkle the remaining cheese on top.
9. Bake for 15-20 minutes until cheese is melted and bubbly.
10. Serve hot, garnished with sour cream and cilantro if desired.