01 -
Preheat oven to 350°F and grease a 9x13 inch baking dish.
02 -
Combine shredded chicken, softened cream cheese, garlic powder, and 1 cup shredded cheese in a medium bowl.
03 -
Evenly distribute the chicken mixture into the flour tortillas, then place them seam-side down into the prepared baking dish.
04 -
Melt butter in a saucepan over medium heat. Whisk in flour and taco seasoning, then gradually add chicken broth, whisking until smooth. Heat until warm.
05 -
Add 1/2 cup shredded cheese and whisk until incorporated. Stir in sour cream and diced green chiles, whisking just until sour cream dissolves. Do not boil.
06 -
Pour sauce evenly over the assembled enchiladas and sprinkle with the remaining shredded cheese.
07 -
Bake for 22-25 minutes until heated through, then broil for a few minutes to brown the cheese topping.