INGREDIENTS
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6 Tbsp unsalted butter
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1/3 cup all-purpose flour
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1 qt milk
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3 cups shredded sharp Cheddar cheese
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3 cups shredded Gruyere cheese
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2 cloves garlic, smashed
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1/2 tsp freshly ground pepper
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Kosher salt
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1/2 tsp freshly grated nutmeg
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7 medium Yukon Gold potatoes, unpeeled, cut in 1/2-inch thick coins
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1/4 cup chopped fresh parsley, for garnish