Try this homemade Sweet Onion And Mushroom Casserole recipe the whole family will love. Made with vidalia onion, mushrooms, butter and whipping cream. E…
This Sweet Onion And Mushroom Casserole relies on simple, everyday ingredients such as sliced fresh mushrooms, butter, whipping cream and large egg. It comes together quickly and makes 4 servings, at about 369 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