Wash and remove the bad places from the potatoesPlace the potatoes in the bottom of a slow cooker. This recipe will not fit in a smaller slow cooker.Slice Sausage into bite size pieces and add it to the slow cooker on top of the potatoes.Add the onion and Italian seasoningAdd the frozen green beansPour the dressing over it all.Cover and cook on high for 5 hours until potatoes are fork tender.