Grease your slow cooker with cooking spray. Place the potatoes, stock, garlic, and salt into the slow cooker and stir. *Cook on low for about 4-6 hours or until tender.
Add the warmed buttermilk slowly, followed by the butter and rosemary, and mash with a potato masher until the potatoes reach the desired consistency. Season with salt and pepper to taste.
Serve immediately or keep on warm in the slow cooker until ready to serve.
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Tonia 3 years ago
These turned out wonderful !!!