"Our rich and creamy Au Gratin Potatoes recipe with Gruyère is the perfect combination of tender potatoes and a silky, flavorful sauce...."
INGREDIENTS
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2 tablespoons unsalted butter
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2 tablespoons all-purpose flour
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1 teaspoon salt
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½ teaspoon ground black pepper
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pinch of fresh grated nutmeg
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pinch of cayenne pepper
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¼ teaspoon garlic powder
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2 ½ cups half-and-half ((20 ounces))
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½ cup shredded Gruyère cheese, (plus 3 tablespoons for topping)
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3 pounds waxy potatoes ((like Yukon gold))