The Green Bean Casserole was invented in the Campbell Soup Company's Home Economics Department. The original recipe called for canned green beans, cream of mushroom soup, milk, soy sauce, black pepper, and French-fried onions.

The recipe quickly gained popularity, attributed to its simplicity, convenience, and affordability. Campbell's actively promoted the recipe through print and television advertising.

The Green Bean Casserole became a ubiquitous dish at Thanksgiving gatherings across the United States, solidifying its status as a culinary tradition.

Despite evolving tastes and culinary trends, the Green Bean Casserole remains a popular dish, often with regional and personal variations on the original recipe. Its enduring presence reflects its comfort food appeal and nostalgic value.

The Green Bean Casserole continues to be a widely made and enjoyed side dish, especially around the Thanksgiving holiday.