
Sour Cream Chicken Enchilada Casserole has every flavor you want in a Mexican chicken dinner. It is a cheesy, creamy, layered casserole and you get the taste of enchiladas without having to mess with rolling up tortillas!
Melt the butter in a medium saucepan over medium heat, then stir in the flour. Cook for 1 minute, stirring continuously. Add the minced garlic and cook for an additional 30 seconds.
Preheat oven to 350°F (177°C0. Spray a 9x13-inch pan with nonstick spray.