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Twice-Baked Sweet Potatoes with Leeks and Sausage

Scott Phillips

Servings: 4 as a main course; 8 as a side dish

In these comforting stuffed sweet potatoes, fresh herbs, salty sausage, Gruyère, and sour cream are delicious, savory counterpoints to the sweet potatoes and leeks. Serve them as a main dish or as an accompaniment to seared steak or roast chicken.


  • 4 small sweet potatoes (about 8 oz. each)
  • 1 Tbs. olive oil  
  • 1/2 lb. bulk sweet Italian sausage (or link sausage, casings removed) 
  • 1 Tbs. unsalted butter
  • 1 lb. leeks, white and light-green parts only, quartered lengthwise and thinly sliced (about 2 cups) 
  • 1 tsp. chopped fresh sage
  • 1/4 tsp. chopped fresh thyme   
  • Kosher salt 
  • 1/2 cup sour cream
  • 1/4 cup grated Gruyère  

Nutritional Information

  • Calories (kcal) : 240
  • Fat Calories (kcal): 100
  • Fat (g): 11
  • Saturated Fat (g): 4.5
  • Polyunsaturated Fat (g): 1
  • Monounsaturated Fat (g): 4.5
  • Cholesterol (mg): 20
  • Sodium (mg): 560
  • Carbohydrates (g): 30
  • Fiber (g): 4
  • Protein (g): 6


  • Position a rack in the center of the oven and heat the oven to 375°F. Line a heavy-duty rimmed baking sheet with parchment or foil.
  • Poke the sweet potatoes a few times with the tip of a knife and arrange them on the baking sheet. Bake until completely tender when pierced in the fattest part with a skewer, 35 to 60 minutes.
  • Meanwhile, heat the oil in a 10-inch skillet over medium-high heat. Add the sausage, reduce the heat to medium, and cook, breaking it into small bits with the edge of a slotted spoon, until no longer pink, 5 to 6 minutes. Transfer to a plate and set aside. 
  • Pour off all but 1 Tbs. of the fat and add the butter. When it melts, add the leeks, sage, thyme, and 1-1/2 tsp. salt. Cook, stirring stirring, until the mixture just starts to sizzle. Reduce the heat to low and cook, stirring frequently, until the leeks are very soft and starting to turn golden, 10 to 15 minutes. 
  • When the sweet potatoes are cool enough to handle, carefully cut them in half lengthwise and gently scoop the flesh into a medium bowl, leaving about 1/8 inch of flesh in the shells. Mash the scooped flesh with a fork or potato masher until smooth. Stir in the sour cream and 1 tsp. salt. Fold the sausage and leeks into the mashed sweet potato and season to taste with salt. 
  • Position a rack 6 inches from the broiler element and heat the broiler on high. Mound the filling into the potato skins and top with the cheese. Put the potatoes in a 9×13-inch baking dish and broil until the cheese is golden, about 4 minutes. Serve immediately.


Sweet potatoes have thin, delicate skin that tears easily, so don’t scrape too hard when scooping them out. Leaving 1/8 inch of flesh in each shell will  keep it from flopping closed. 


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Reviews (16 reviews)

  • aichelpea | 10/12/2019

    This is one of my favorite dishes from this site and my favorite way to eat sweet potatoes; the flavors are perfectly balanced, I feel like even people who don't love sweet potatoes will like this dish.

  • Krispie | 10/23/2016

    Delicious! I followed the directions exactly except that I made the entire recipe a day early, brought it to room temp and then rewarded the potatoes in the oven for about 15 minutes, then broiled them with the Gruyere. Easy and great.

  • BigRach | 03/13/2015

    This was wonderful and fairly easy. I used Jarlsburg instead and the leeks were almost caramalized. Definitely impressive company food. Rachel Rice

  • BigRach | 03/13/2015

    This was wonderful and fairly easy. I used Jarlsburg instead and the leeks were almost caramalized. Definitely impressive company food. Rachel Rice

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