• 11 Ingredients
  • 6 tablespoons unsalted butter, p...
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  • Coarse salt and ground pepper
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  • 1 pound medium pasta shells
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  • 1/4 cup all-purpose flour
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  • 1 teaspoon dry mustard powder
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  • Show all (11)
  • Nutrition 100% match
  • Calories per gram: 2.1
  • Total fat: High
  • Show all

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