The recipe, which originally called for four cups of cooked, cut green beans, one can of cream of mushroom soup, some milk, some soy sauce, a dash of pepper, and a canned French-fried onion, landed Reilly a spot in the Inventors Hall of Fame in 2002. But this year, I finally got down to working on my own green bean casserole recipe, and I have to say that the results are pretty fantastic! 2 --> Skip the canned mushroom soup! Jack and I both adore mushrooms, so I swap the traditional cream of mushroom soup for a tangy, creamy homemade mushroom sauce. The dish becomes so much more flavorful when you cook these vegetables together! Serves 8. An absolute must at American holiday meals! Recipe adapted from Bon Appetit. 1 --> Choose smaller green beans if possible, the smaller they are the more tender they tend to be. There are countless recipes that use canned green beans and cream of mushroom soup, but it’s hard to beat a casserole using fresh ingredients. Green Bean Casserole is another traditional side to your Thanksgiving feast! This easy cast iron green bean casserole recipe is SO delicious you'll be glad you made the mushroom gravy. Preheat oven to 350°. The original green bean casserole was concocted in 1955 by Campbell’s Kitchen head Dorcas Reilly. Prepare an ice bath: In a large pot of boiling water, add No. Green Bean Casserole Recipe Components. Pin this green bean casserole recipe; My best green bean casserole tips + tricks. No. Green beans, cream of mushroom soup, and French fried onions make for a classic green bean casserole.