1.Line crockpot with foil, leaving enough to cover the potatoes when finished.
2.Layer half each of the bacon, onions, potatoes and cheese in crockpot. Season to taste and dot with butter.
3.Repeat layers of bacon, onions, potatoes and cheese. Dot with butter.
4.Cover with remaining foil.
5.Cover and cook on low for 10-12 hours.
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