Easy, Keto Low-Carb Chicken and Cheese Enchilada Casserole

skinless chicken breasts (You can also buy a rotisserie chicken and shred.)

chicken broth ((If using an Instant Pot or slow-cooker to cook the chicken))

frozen cauliflower (I used a steamable bag)

olive oil

chopped onion

garlic cloves, chopped

cream cheese

sour cream

(divided) shredded cheddar cheese (I used blocked cheese and shredded)

ground cumin

chili powder

red cayenne pepper (if you prefer a kick)

salt and pepper

cooking oil spray (I used olive oil)

enchilada sauce (I used Trader Joe's no-sugar added sauce. See recipe notes below for instructions on how to make your own sauce.)

topping ideas: black olives, avocado, jalapenos