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Ingredients

Directions

  • Bring a large pot of salted water to a boil. Add shells; cook about 8 minutes, following package directions. Drain.

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  • Meanwhile, melt butter in a medium saucepan over medium heat. Add onion and cook 5 minutes. Whisk in flour. While whisking, add milk in a thin stream. Whisk in mustard powder, salt and pepper.

  • Bring to a simmer, whisking occasionally. Simmer 3 minutes. Remove from heat and whisk in cheese. Top with crushed pretzels.

Nutrition Facts

682 calories; 28 g total fat; 82 mg cholesterol; 752 mg sodium. 76 g carbohydrates; 30 g protein;

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