Can you leave green bean casserole out overnight?

No, you should not leave green bean casserole out overnight. According to Happy Muncher, green bean casserole can last up to four days in the fridge when stored at the proper temperature (40°Fahrenheit).

If it’s kept at room temperature for more than two hours, it’s best to throw it away. Green bean casserole is a popular dish in the United States, especially during Thanksgiving and Christmas.

The dish was created in 1955 by a home economist working in the Campbell Soup Company test kitchen. It has been a beloved family favorite for over six decades.

It was designed to be a quick and easy recipe that could be made using ingredients that were commonly found in American households.

Green bean casserole can be served as a side dish alongside roasted turkey, ham, or beef.  Its presence on the table is often associated with a sense of tradition and nostalgia.

Green bean casserole pairs well with other classic Thanksgiving dishes such as mashed potatoes, stuffing, and cranberry sauce.