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rosemary and sage mashed sweet potatoes in a serving bowl, garnished with fresh sage

Mashed Sweet Potatoes

This mashed sweet potatoes recipe is a savory-sweet and deliciously buttery side dish. Fresh herbs and cinnamon kick up the flavor even more!
Course Side Dish
Cuisine American
Keyword how to make mashed sweet potatoes, mashed sweet potatoes recipe, savory mashed sweet potatoes
Prep Time 10 minutes
Cook Time 1 hour
Total Time 1 hour 10 minutes
Servings 6
Calories 299kcal


  • 3 pounds sweet potatoes
  • 1/4 cup butter
  • 1/4 cup heavy/whipping cream
  • 1 tablespoon fresh sage chopped finely
  • 1 tablespoon fresh rosemary (needles only) chopped finely
  • 1/4 teaspoon ground cinnamon
  • 1/2 teaspoon salt
  • Pepper to taste


  • Line a baking sheet with foil and preheat your oven to 425F. Move the rack to the middle position. Place whole, unpeeled sweet potatoes on the baking sheet. Carefully prick potatoes all over with a knife. Bake for 45-50 minutes or until very soft.
  • Meanwhile, when the sweet potatoes are about ready, add the butter, cream, sage, rosemary, cinnamon, and salt & pepper to a small saucepan and warm over a low heat for 10 minutes, stirring every so often.
  • Cut the sweet potatoes in half lengthwise (to let the steam escape), and let them cool for a few minutes until they're cool enough to handle. Scoop out the flesh and add it to a pot.
  • Pour the warm cream mixture into the pot and mash the sweet potatoes with a hand-held potato masher until smooth.
  • Transfer them to a bowl and serve immediately. For the garnish in the photos (optional), I added about a teaspoon of cream + a couple tablespoons of butter and microwaved it until melted. I then poured it over the mashed sweet potatoes.


  • Sweet potatoes vary so much in size, so that's why I suggest a weight. I had 5 small-medium sweet potatoes in the 3 pounds for this recipe.
  • If you prefer, you can boil the sweet potatoes instead of baking. To do this, peel the sweet potatoes and cut them into 1" (or so) pieces. Add them to a pot, cover with water, and boil until tender. 
  • Nutritional information is provided as a courtesy only and should be construed as an estimate rather than a guarantee. Ingredients can vary and Salt & Lavender makes no guarantees to the accuracy of this information.


Calories: 299kcal | Carbohydrates: 46g | Protein: 4g | Fat: 12g | Saturated Fat: 7g | Cholesterol: 34mg | Sodium: 390mg | Potassium: 772mg | Fiber: 7g | Sugar: 9g | Vitamin A: 32567IU | Vitamin C: 5mg | Calcium: 83mg | Iron: 1mg