01 -
Preheat the oven to 175°C. Lightly grease a 23×33 cm baking dish.
02 -
Combine cooked shredded chicken with 1 cup of Monterey Jack cheese in a bowl. Season with salt and pepper.
03 -
Fill each flour tortilla with the chicken mixture. Roll tightly and arrange seam-side down in the prepared baking dish.
04 -
In a saucepan over medium heat, melt the butter. Stir in flour, cooking for 1 minute to form a roux.
05 -
Gradually whisk in chicken broth and cook, stirring, until slightly thickened.
06 -
Remove pan from heat and allow to cool slightly. Whisk in sour cream and diced green chilies until smooth.
07 -
Pour the prepared white sauce evenly over the tortillas in the baking dish. Sprinkle the remaining 2 cups of cheese over the top.
08 -
Bake for 20–25 minutes until the cheese is melted and sauce is bubbling. For a golden finish, broil briefly if desired.
09 -
Scatter sliced green onions over the baked enchiladas. Serve warm.