01 -
Spray a 9 x 13-inch baking dish with cooking spray to prevent sticking.
02 -
Preheat the oven to 350°F (175°C).
03 -
In a medium bowl, mix shredded rotisserie chicken with 1 cup of shredded Monterey Jack cheese until evenly combined.
04 -
Lay each tortilla flat, fill with chicken mixture, roll tightly, and place seam-side down in the prepared baking dish. Repeat with all tortillas.
05 -
Melt butter in a skillet over medium-low heat, sprinkle in flour, and whisk continuously for 1 minute to cook out the raw flour taste.
06 -
Reduce heat to low and gradually whisk in chicken broth, stirring until the sauce thickens and bubbles.
07 -
Remove skillet from heat and allow the sauce to cool for 3 to 5 minutes to prevent curdling when sour cream is added.
08 -
Stir in sour cream and diced green chilies until the sauce becomes smooth and creamy without boiling.
09 -
Pour sauce evenly over the rolled tortillas and sprinkle with the remaining 2 cups of Monterey Jack cheese.
10 -
Bake in the preheated oven for 20 to 25 minutes, or until the sauce is bubbly and cheese is melted and lightly golden.
11 -
Let the dish rest for a few minutes before serving with optional toppings such as cilantro, sliced green onions, or avocado.