An easy and delicious green bean casserole recipe, a great side for any meal.
Mix the green beans, Alfredo sauce, water chestnuts, mushrooms, Parmesan cheese, pepper and about 3 oz fried onions and spoon into a greased slow cooker.
Cover and cook on LOW for 4 1/2 hours.
Toast the pecans and remaining fried onions in a skillet over medium-low heat until fragrant.
Sprinkle toasted pecans and fried onions over casserole right before serving.