01 -
Coat a 9 x 13-inch baking dish with cooking spray to prevent sticking.
02 -
Set the oven to 350 degrees Fahrenheit and allow it to reach temperature.
03 -
In a medium bowl, mix shredded rotisserie chicken with 1 cup shredded Monterey Jack cheese until evenly distributed.
04 -
Place a tortilla flat, spoon in the chicken and cheese mixture, tuck the sides, and roll up snugly. Position each seam side down into the prepared baking dish. Repeat for all tortillas.
05 -
Melt butter in a skillet over medium-low heat. Sprinkle in flour and whisk constantly for one minute to cook out the raw flour taste.
06 -
Reduce heat to low and slowly whisk in chicken broth. Cook while stirring until the sauce begins to bubble and thickens slightly.
07 -
Remove skillet from heat and allow the sauce to cool for 3 to 5 minutes to prevent curdling when adding sour cream.
08 -
Stir in sour cream and diced green chilies gently until fully combined and smooth, ensuring not to boil.
09 -
Pour the sauce evenly over the rolled enchiladas in the baking dish, then sprinkle the remaining 2 cups shredded Monterey Jack cheese on top.
10 -
Place the baking dish in the preheated oven and bake for 20 to 25 minutes until the sauce is bubbly and the cheese topping is melted and lightly golden.
11 -
Let the enchiladas rest for a couple of minutes before serving. Garnish as desired with cilantro, sliced green onions, or avocado.