Roasted Mashed Sweet Potatoes with Greek Yogurt

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These roasted mashed sweet potatoes skip the pot of boiling water. You roast halved sweet potatoes cut side down until they caramelize, peel the skins right off, and whip with greek yogurt and spices. They’re sweet but balanced with savory and ready in under an hour. You can also roast them in the morning and mash right before dinner, which is exactly what a crowded holiday stove needs.

A brown bowl filled with swirled orange mashed sweet potatoes drizzled with oil.

Holiday side done right!

Why do so many holiday sides come loaded with butter, cream, and sugar? Save that for the dessert table! I’m firmly in the camp that marshmallows belong in s’mores, not on sweet potatoes, so these mashed sweet potatoes lean savory and let the natural sweetness of the potatoes do the work.

A woman with long red hair, wearing a brown sweater and jeans, smiles while standing in a modern kitchen beside a counter with fresh lettuce and hibachi steak bowls. Marble backsplash and gold kitchen accents are visible in the background.

The secret is roasting them first. They caramelize in the oven, and that sweet, toasty flavor carries all the way through once you whip them in the mixer. Trust me, nobody at the table will miss the marshmallows!

A person sits cross-legged in a meditation pose with their hands resting on their knees, peacefully imagining delicious hibachi steak bowls. The simple black outline contrasts against a white background.

If your crew wants the sweet version, my Maple Sweet Potato Casserole with Toasty Pecans has you covered. Add Crispy Honey Roasted Brussel Sprouts and my Easy Fresh Green Bean Casserole and half your holiday table is done. Team classic? My Garlic Rosemary Mashed Potatoes are right here.

Ingredients & Notes

  • Sweet potatoes - About 6–7 medium halved lengthwise. Halving them gives you more cut surface to caramelize.
  • Greek yogurt - Plain and unsweetened. It makes the mash creamy without butter or cream.
  • Olive oil - For savory flavor in the mash, plus an extra drizzle on top.
  • Garlic powder, cinnamon, paprika - The sweet-savory balance. Don’t skip the garlic, because that’s what keeps from tasting like dessert.
  • Avocado oil spray, sea salt, black pepper - For roasting.

How to Make Mashed Sweet Potatoes

A person in a tan sweater places a baking sheet of seasoned, whole sweet potatoes into an oven.
Step 1 : Season the sweet potato halves with avocado oil and spices.
Several roasted sweet potatoes on a dark metal baking sheet.
Step 2 : Roast the sweet potatoes until caramelized.
A hand pours a spoonful of brown spice into a stand mixer bowl.
Step 3 : Mix the sweet potato flesh with greek yogurt and spices.
A bowl of mashed sweet potato or squash with a swirl of oil on top.
Step 4 : Serve warm with extra olive oil drizzled on top.

How to Make Ahead of Time

This is the reason I make these for gatherings. I roasted the sweet potatoes in the morning, mixed them just before dinner, and warmed them up in a pot on the stove. The oven is free for everything else, and the mash is hot when you sit down to eat!

Ansley's Tips

  • Roast them cut side down. That’s where all the caramelized flavor comes from.
  • Let them rest a few minutes before peeling. The skins come off easier.
  • Use a stand mixer. I tested hand mashing and like the mixer better.
  • Finish with olive oil. A drizzle on top right before serving.

Check out these recipes for more sides


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Recipe

A brown bowl filled with swirled orange mashed sweet potatoes drizzled with oil.

Roasted Mashed Sweet Potatoes with Greek Yogurt

Mashed sweet potatoes that don’t taste like dessert. They're roasted until caramelized, then mixed with greek yogurt and spices. No extra sugar needed!
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Prep Time: 10 minutes
Cook Time: 30 minutes
Total Time: 40 minutes
Servings: 10 servings
Calories: 124kcal

Ingredients
 
 

For the roasted sweet potatoes

  • 2½ lbs sweet potatoes - about 6–7 medium, halved lengthwise
  • Avocado oil spray
  • 1 tablespoon sea salt
  • ½ teaspoon black pepper

For the mash

  • ½ cup plain unsweetened greek yogurt
  • 2 tablespoons olive oil - plus more for drizzling
  • 1 teaspoon sea salt
  • 1 teaspoon garlic powder
  • 1 teaspoon cinnamon
  • ½ teaspoon paprika
  • ½ teaspoon black pepper

Instructions

  • Preheat the oven to 400°F. Spray both sides of the sweet potato halves with avocado oil and season with 1 tablespoon sea salt and ½ teaspoon black pepper.
    2½ lbs sweet potatoes, Avocado oil spray, 1 tablespoon sea salt, ½ teaspoon black pepper
  • Place the halves cut side down on a baking sheet. Roast for 30–40 minutes, until the cut sides are caramelized. Let rest for a few minutes.
  • Peel off the skins and discard them. Add the flesh to the bowl of a stand mixer and mix on medium until no large lumps remain.
  • Add the greek yogurt, olive oil, 1 teaspoon sea salt, garlic powder, cinnamon, paprika, and ½ teaspoon black pepper. Mix until well combined.
    ½ cup plain unsweetened greek yogurt, 2 tablespoons olive oil, 1 teaspoon sea salt, 1 teaspoon garlic powder, 1 teaspoon cinnamon, ½ teaspoon paprika, ½ teaspoon black pepper
  • Serve warm with an extra drizzle of olive oil on top.

Notes

Make ahead: Roast the sweet potatoes in the morning. Right before dinner, mash them with the remaining ingredients, then transfer to a pot and warm on the stovetop, stirring, until heated through.

Nutrition

Calories: 124kcal | Carbohydrates: 23g | Protein: 2g | Fat: 3g | Saturated Fat: 0.4g | Polyunsaturated Fat: 0.3g | Monounsaturated Fat: 2g | Sodium: 993mg | Potassium: 390mg | Fiber: 4g | Sugar: 5g | Vitamin A: 16097IU | Vitamin C: 3mg | Calcium: 38mg | Iron: 1mg
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