Try this homemade Onion Casserole recipe the whole family will love. Made with onions, margarine, Cheddar cheese and milk. Easy step-by-step instruction…
This Onion Casserole relies on simple, everyday ingredients such as onions, margarine, melted, grated cheddar cheese and evaporated milk. It comes together quickly and makes 4 servings, at about 531 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