INGREDIENTS
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1 pound penne rigate
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4 cups half and half
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4 tablespoon (1/2 stick) unsalted butter
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6 tablespoons all purpose flour
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1 teaspoon smoked paprika, plus more for garnishing
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sea salt and freshly ground black pepper to taste
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4 ounces Gruyere cheese, grated
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16 ounces sharp white Cheddar cheese, grated
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6 ounces Fontina cheese, grated
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2 ounces Parmesan-Reggiano cheese, grated