This is the BEST Crockpot Green Bean Casserole Recipe to make as a quick side dish or a holiday recipe! Make this easy and delicious Green Bean Casserole in the Slow Cooker and everyone will asking for the recipe! If you are like me things get a little tight in the stove when I'm trying to prepare a meal for the holidays. That's why I love easy side dishes like this. If this happens to you make sure you throw this casserole in the crockpot!