"This easy buttermilk mashed potatoes recipe makes creamy, tangy, fluffy mashed potatoes. Simply the best homemade mashed potatoes ever!..."
INGREDIENTS
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3 pounds peeled and cubed Yukon Gold potatoes (2-inch pieces*)
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2½ teaspoons kosher salt (divided use, plus more to taste)
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4 tablespoons unsalted butter (cut into small pieces)
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½ cup sour cream
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¾ to 1 cup buttermilk
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¼ teaspoon freshly ground black pepper (plus more to taste)