Spray slow cooker bowl with olive oil spray.
Layer potato slices in bottom of bowl, sprinkle onion and bacon over potatoes. Repeat until all potato, etc used.
Sprinkle salt and pepper over the top, pour cream and milk over.
Cook on high for 5-6 hrs
Approx 30 minutes prior to serving top with grated cheese and cook until melted.
*Notes*
- You can substitute half the potatoes with sweet potatoes
- Optional 1 tblspn crushed garlic, can be added when layering or with salt and pepper