"Cheesy, creamy gratin beats mashed potatoes by leaps and bounds...."
INGREDIENTS
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1 clove garlic
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4 tbsp. unsalted butter
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3 lb. medium russet potatoes (5 to 6 potatoes)
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Kosher salt and pepper
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2 1/2 c. heavy cream, plus more if necessary
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1/4 tsp. freshly grated nutmeg