Green bean casserole made with mixed types of green beans.
Preheat oven to 350 degrees.
Mix together the soup and milk in an oblong glass dish.
Add all of the green beans and mix well.
Mix in the salt, pepper, and seasoning.
Pour half of the onions into the green bean mixture and stir.
Bake for 30 minutes.
Take the casserole out of the oven.
Add the remaining onions on top of the casserole evenly, and bake for 5 more minutes.
Ready to serve.