INGREDIENTS
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Kosher salt and freshly ground black pepper
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1 pound penne pasta
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1 head broccoli, cut into small (1-inch) florets
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4 tablespoons unsalted butter
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2 cloves garlic, minced
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1/2 cup all-purpose flour
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5 cups whole milk
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2 cups grated Gruyere
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1 cup sour cream
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2/3 cup grated Parmigiano-Reggiano
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2 teaspoons hot sauce
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12 ounces cooked chicken breast or deli chicken, cut into 1/2-inch dice
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1/2 cup chopped crispy-cooked bacon
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1/4 cup chopped fresh chives