Preheat the oven to 375°F. Lightly grease a 9×13-inch baking dish.
In a large bowl, combine the shredded chicken, 4 ounces Monterey Jack cheese, softened cream cheese, and cumin. Mix until evenly combined.
1 ½ pounds Cooked Shredded Chicken, 4 ounces Monterey Jack Cheese, 4 ounces Cream Cheese, 1 teaspoon Cumin
Divide the chicken mixture evenly among the 8 flour tortillas. Roll each tortilla tightly around the filling and arrange seam-side down in the prepared baking dish.
8 8" Flour Tortillas
Melt the butter in a medium saucepan over medium heat. Whisk in the flour and cook, stirring constantly, for 1 minute.
3 Tablespoon Butter, 3 Tablespoon Flour
Gradually whisk in the chicken broth until smooth. Add the cayenne pepper, garlic powder, onion powder, and salt. Cook over medium heat, whisking frequently, for about 4–5 minutes, or until the sauce has thickened enough to lightly coat the back of a spoon.
2 cup Chicken Broth, 1 teaspoon Cumin, ⅛ teaspoon Cayenne Pepper, ½ teaspoon Garlic Powder, ½ teaspoon Onion Powder, ½ teaspoon Salt
Remove the saucepan from the heat. Stir in the green chiles and sour cream until the sauce is smooth and creamy.
7 ounces Green Chiles, ½ cup Sour Cream
Sprinkle the remaining 4 ounces of Monterey Jack cheese over the top.
4 ounces Monterey Jack Cheese
Bake uncovered for 25–30 minutes, or until the sauce is bubbling around the edges and the cheese is completely melted.
Let the enchiladas rest for about 5 minutes before serving. Garnish with cilantro, green onions, sour cream, or your favorite toppings, if desired.