Recipe courtesy of Campbell's: "It's the dish everyone's expecting on the holidays, but it's so easy to make, you can serve it any day. Beyond the creamy, silky-smooth sauce and unmatchable flavor, its simplicity is what makes Campbell’s Green Bean Casserole so appealing. Just six ingredients and 10 minutes to put together, this family-pleasing side has been a favorite for over 60 years. Not only that, it's easy to make ahead!"