Try this homemade Cheesy Onion Casserole recipe the whole family will love. Made with butter, sweet onions, salt and fresh ground black pepper. Easy ste…
This Cheesy Onion Casserole relies on simple, everyday ingredients such as butter, large sweet onions, sliced and soy sauce (or to taste). It comes together quickly and makes 4 servings, at about 1471 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.
It works as a light main on its own or as a starter alongside crusty bread, and it's just as good for a cozy night in as it is for feeding a crowd. Leftovers keep well, so it's a smart choice for meal prep too.
Updated Jun 30, 2026