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Sweetpotato & Sage Mac 'n Cheese

Created by a registered dietitian for NCSP Recipe Contest with the Academy of Nutrition and Dietetics
Print Recipe


  • 1 1/2 pounds 3 medium sweetpotatoes, peeled and chopped into 1/2-inch pieces
  • Salt
  • 1 pound whole-wheat or gluten-free pasta
  • 1 1/2 cups unsweetened soy milk
  • 1/2 cup nutritional yeast
  • 2 tablespoons cornstarch
  • 4 teaspoons Dijon mustard
  • 1 teaspoon onion powder
  • 1/4 teaspoon cayenne pepper
  • 1/8 to 1/4 optional teaspoon ground black pepper
  • 1/4 cup butter, for vegan version, use Earth Balance
  • 10 to 12 large fresh sage leaves, thinly sliced crosswise
  • 1 clove garlic, finely chopped
  • 2 tbsp fresh lemon juice


  • Bring a small pot of water to a boil. Add the sweetpotatoes and return to a boil. Reduce heat to a simmer and cook for 15 minutes until fork-tender. Drain well and transfer to a blender.
  • Meanwhile, bring a large pasta pot of salted water to a boil and cook pasta following package instructions. Drain well, return to saucepan, and set aside.
  • In a medium bowl, whisk together soy milk, nutritional yeast, cornstarch, Dijon mustard, onion powder, 1/2 teaspoon salt, cayenne pepper (if using), and black pepper. In a 2-quart saucepan, melt the butter over medium heat.
  • Add half of the sage (reserve the remaining sliced sage leave and all of the garlic; cook just until they are aromatic and begin to brown. Whisk in the soy milk mixture.
  • Reduce heat to medium low and cook until thick. Add the sauce and lemon juice to the sweet potatoes in the blender and blend until thick and smooth.
  • Toss with the cooked pasta, reheat gently if necessary; taste and add salt &pepper if desired. Serve topped with the reserved sliced sage.
Number of servings (yield):  6 servings (about 1 ½ cups)*The nutritional analysis was done using whole wheat pasta.