Green bean casserole was created in 1955.
Yes, green bean casserole can be frozen.
Yes, green bean casserole is good for you. It is not junk food.
Green bean casserole can be made ahead of time and then freeze. Green bean casserole will be able to keep in the freezer for up to 2 months.
Yes as long as you refrigerate it over night. Do not leave it out on the counter.
No you can not make green bean casserole in a crock pot.
You can make green bean casserole a day ahead and cook - or reheat - it next day, but don't put a crunchy topping on until you're ready to put it in the oven.
How long and temperature to cook green bean casserole
A green bean casserole can be any size the cook wishes. There is no definitive answer to this kind of question.
No, there is no such casserole. Chocolate does not go well with green beans and would be terrible in a casserole.
One can find a recipe for a green bean casserole at sites like Campbell's and AllRecipes. There you can find recipes of all kinds and label specific ingredients to use to make a green bean casserole.