Queso Smothered Fajita Casserole

Name: Queso Smothered Fajita Casserole
Prep time: 15 min
Cook time: 45 min
Total time: 1 h
Cuisine: American
Ingredients: 1/4 cup unsalted butter, divided; 1 lb chicken breast, cut into cubes; 1 yellow onion, sliced into 2-inch pieces; 1 red bell pepper, sliced into 2-inch pieces; 1 green bell pepper, sliced into 2-inch pieces; 2 cups white minute rice; 2 cups chicken stock; 1 oz. taco seasoning; 1 15.5 oz. jar salsa; 1/3 cup fresh cilantro, chopped; Kosher salt and freshly cracked black pepper, to taste; 1 12oz. can of evaporated milk; 2 cups grated Mexican cheese blend; 10 slices American cheese; 1 4oz. can diced green chiles