01 -
Heat the oven to 190°C and lightly grease a large baking dish.
02 -
Combine shredded chicken, 50 grams of Monterey Jack cheese, and half of the green chiles in a bowl.
03 -
Melt butter in a saucepan over medium heat. Add flour, whisking continuously, and cook for 1–2 minutes until slightly golden.
04 -
Gradually whisk in chicken broth. Bring to a simmer while stirring, and cook until thickened.
05 -
Remove the saucepan from heat. Stir in sour cream and remaining green chiles until smooth and well-blended.
06 -
Divide the chicken mixture evenly among the flour tortillas. Roll each filled tortilla and arrange seam-side down in the prepared dish.
07 -
Spread the prepared sour cream sauce evenly over the rolled tortillas. Sprinkle the remaining Monterey Jack cheese on top.
08 -
Bake uncovered for 20–25 minutes, until the cheese is golden and the sauce is bubbling.
09 -
Remove from the oven and sprinkle with diced tomatoes and chopped cilantro if desired. Let stand for 5 minutes before serving.