White Chicken Enchilada Casserole with Black Beans

White Sauce:

Butter

Grated onion (substitute onion powder)

Garlic cloves (substitute garlic powder)

Flour

Chicken stock

Cumin

Green chilies

Sour cream (or Greek yogurt)

Cream cheese

Salt + pepper to taste

Enchilada Layers:

Flour tortillas

Shredded chicken

Black beans (drained, rinsed)

Corn (drained)

Pepper jack cheese (substitute Monterey Jack for milder flavor)

Avocado, diced

Cilantro (optional)