INGREDIENTS
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8 ounces elbow macaroni
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4 tablespoons butter
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3 tablespoons flour
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2 cups heavy cream
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½ teaspoon salt
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½ teaspoon pepper
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1½ teaspoons yellow or Dijon mustard
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2 cups Cheddar cheese, shredded
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½–1 cup milk, as needed (used on reheating day)
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2 cups crushed cornflakes (used on reheating day)
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1 stick butter, melted (used on reheating day)