The canned version comes in handy for casseroles, but for a stand-alone cream of mushroom soup, go for the real thing with lots of mushrooms. However, you can totally choose to add this to your favorite green bean casserole recipe (or any other casserole you see fit) if you feel like putting for the extra effort. It would definitely impress your guests when you tell them, that's for sureThis recipe is really easy to create and is perfect for dinner after a long chilly day.