National Green Bean Casserole Day

National Green Bean Casserole Day, observed on December 3, celebrates one of America’s most beloved comfort-food dishes. With its tender green beans, creamy sauce, and crisp fried-onion topping, green bean casserole has become a familiar favorite at holiday gatherings and family meals.

The day is a delicious opportunity to enjoy this classic side dish, revisit a treasured recipe, or try a creative variation with fresh ingredients and flavorful toppings. Whether served alongside a festive feast or enjoyed as a cozy homemade meal, National Green Bean Casserole Day invites everyone to appreciate the simple, satisfying dish that brings people together around the table.

National Green Bean Casserole Day is observed on December 3 as a celebration of one of America’s most recognizable comfort-food dishes. The observance focuses on the casserole’s enduring place in home cooking, particularly its association with family gatherings and holiday meals. Although the history of the dish is well documented, the specific individual or organization that established the observance is not clearly recorded.

The casserole itself originated in 1955 in the Campbell Soup Company’s test kitchen in Camden, New Jersey. Dorcas Reilly, a member of the company’s home-economics department, developed the recipe by combining canned green beans, Campbell’s cream of mushroom soup, milk, soy sauce, and black pepper, then topping the mixture with fried onions. The recipe was designed to use readily available ingredients and require little preparation, qualities that helped it appeal to busy American households.

Over time, green bean casserole evolved from a convenient mid-century recipe into a familiar part of Thanksgiving and other celebratory meals. Its ingredients reflected the growth of convenience foods after World War II, when canned vegetables, condensed soups, and packaged toppings became common in American kitchens. The dish’s simplicity also made it easy to adapt, with cooks adding ingredients such as cheese, bacon, garlic, or fresh mushrooms while retaining the basic combination that defined the original.

The cultural significance of National Green Bean Casserole Day rests in the dish’s connection to shared traditions. For many families, it represents a recipe passed between generations and a recognizable feature of communal holiday dining. Observed on December 3, the day offers an opportunity to revisit the casserole’s mid-century origins, prepare it in its classic form or a modern variation, and reflect on how convenience cooking became part of American culinary history.