Try this homemade Green Bean Mushroom Casserole recipe the whole family will love. Made with green beans, butter, cremini mushrooms and onion. Easy step…
This Green Bean Mushroom Casserole relies on simple, everyday ingredients such as butter, cremini mushrooms, sliced, none large onion, sliced and none large tomato, chopped. It comes together quickly and makes 4 servings, at about 284 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