Utimate Slow Cooker Mashed Potatoes

Spray 4 to 5 qt. slow cooker with cookin spray. In slow cooker, place potatoes, broth and butter. Cover; cook on high heat setting 4 hrs. to 4 hrs & 30 min. or until potatoes are tender. Add remaining ingredients except milk. Mash, crush or smash potatoes using potatoe masher or beat with electric mixer on low speed until well blended ( do not over mix). Stir in enough milk for desired creamy consistency. Cover; keep warm on low or warm heat setting untl serving time, up to 2 hrs. Stir before serving. Russet or Idaho baking potatoes are both good picks for thse easy potatoes.