Try this homemade Cauliflower Au Gratin recipe the whole family will love. Made with cauliflower, Cheddar cheese, onion salt and cream of mushroom soup.…
This Cauliflower Au Gratin relies on simple, everyday ingredients such as head cauliflower, cheddar cheese, onion salt and cream of mushroom soup. It comes together quickly and makes 4 servings, at about 333 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.
It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.
Updated Jun 30, 2026