Try this homemade Egg and Onion Casserole recipe the whole family will love. Made with eggs, flour, butter and onions. Easy step-by-step instructions in…
This Egg and Onion Casserole relies on simple, everyday ingredients such as eggs, hard boiled, plain flour, butter and large onions, sliced. It comes together quickly and makes 4 servings, at about 1929 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