• 15 Ingredients
  • 1 - 1 lb. box penne pasta
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  • 1/2 of a yellow onion, diced
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  • 3 tablespoons butter
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  • 1/4 cup flour
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  • 3 cups whole milk
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  • Show all (15)
  • Nutrition 100% match
  • Calories per gram: 2.0
  • Total fat: High
  • Show all