Tex Mex Chicken Enchilada Rice Casserole (Gluten-Free)

Chicken breasts, cooked

Black beans

Corn, frozen kernels

Green onions, fresh

Basmati or jasmine rice, raw

Kosher or fine sea salt and ground black pepper

Colby cheese or an equal blend of cheddar and monterey jack

Sour cream

Enchilada sauce, red