'Potluck staple': Only 4 ingredients. I’ve brought it so many times it’s basically my signature.

To keep this true to its 4-ingredient spirit, think of variations as simple swaps rather than additions. For the cheese, you can use Monterey Jack, Colby-Jack, pepper Jack (for a little heat), or even a smoked cheddar for deeper flavor; just keep the total amount around 2 cups so the texture stays right. For the creamy component, ranch dressing yields a tangy, familiar flavor, while Alfredo sauce gives a richer, more Italian-leaning profile, and thinned condensed cream of chicken soup leans into classic Midwestern casserole territory. If you prefer darker meat, boneless, skinless chicken thighs work well and stay very juicy—just trim excess fat and slice them into strips. You can also swap the broccoli for cauliflower or use a mix of the two, adjusting the size of the florets so they cook at the same rate as the chicken. For more pronounced browning, reserve 1/2 cup of the shredded cheese, bake the dish covered loosely with foil for the first 15 minutes (to keep moisture in), then remove the cover, sprinkle on the reserved cheese, and finish baking until bubbly and golden. If your broccoli is very firm (especially thick fresh florets), briefly blanch it in boiling salted water for 2–3 minutes and drain well before adding; this ensures the florets turn tender by the time the chicken is done without overcooking the meat.
Enjoy your food!