"Who doesn’t like mac n’ cheese? The beloved dish is always a crowd pleaser. Bonus: You can make this version ahead of time, refrigerating it for up to two days until you’re ready to bake it...."
INGREDIENTS
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12 medium pasta shells
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1 unsalted butter
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2 all-purpose flour
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1.25 whole milk
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1 Dijon mustard
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1/2 freshly grated or ground nutmeg
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Pinch cayenne (optional)
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6 extra-sharp Cheddar
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Kosher salt and pepper
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1 spinach, thick stems discarded