Try this homemade Spinach Gratin recipe the whole family will love. Made with T, onion, flour and I. Easy step-by-step instructions included.
This Spinach Gratin relies on simple, everyday ingredients such as t butter, c chopped onion (2 large), flour 1/4 t nutmeg and i c heavy cream. It comes together quickly and makes 4 servings, at about 1058 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