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Roasted Mashed Sweet Potatoes - A Family Feast

Sweet potatoes are on the menu at our house all the time!  Not only is this vegetable very delicious, but it’s also really good for you!

In fact, sweet potatoes are sometimes referred to as a ‘superfood’ because they are loaded with vitamins and nutrients that are believed to offer disease-preventing, cancer-fighting and immune-boosting benefits. Sweet potatoes are also a very versatile vegetable, so there are lots of ways to prepare them – and this recipe for Roasted Mashed Sweet Potatoes is one of our favorites!

Roasted Mashed Sweet Potatoes - A Family Feast

The roasting process caramelizes the potatoes just enough to really bring out the depth of flavor along with the other seasonings.  We seasoned our Roasted Mashed Sweet Potatoes simply – with thyme, salt and pepper, plus some butter.  But you can try swapping in other herbs and seasonings to suit your own tastes.

We hope you enjoy your sweet potatoes as much as we do!

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Roasted Mashed Sweet Potatoes - A Family Feast

Roasted Mashed Sweet Potatoes

  • Prep Time: 15 mins
  • Cook Time: 50 mins
  • Total Time: 1 hour 5 minutes
  • Yield: 2-4 servings


A delicious way to prepare mashed potatoes using roasted sweet potatoes.


  • 2 pounds sweet potatoes, peeled and cut into 1” square chunks
  • 1/4 cup extra virgin olive oil
  • 1/4 cup white wine
  • 1 teaspoon chopped fresh thyme (or ½ teaspoon dry thyme)
  • 1 teaspoon salt
  • A few grinds of black pepper
  • 2 tablespoon butter
  • ¼ cup milk


  1. Preheat oven to 350 degrees.
  2. Place cut potatoes, olive oil, white wine, thyme, salt and pepper in a bowl and toss to coat. Pour onto a sheet pan.roasted mashed sweet potatoes
  3. Roast for 30 minutes, then turn and roast for 15-20 minutes more or until potatoes are tender.
  4. Heat butter and milk in microwave until milk is hot and butter is melted.
  5. In a large bowl, add potatoes and milk mixture and mash with a potato masher.
  6. Adjust seasoning with salt and pepper. Serve immediately.

This post was originally published on A Family Feast in November 2012.

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Roasted Mashed Sweet Potatoes - Mashed sweet potatoes with delicious, intense flavor thanks to roasting the potatoes in the oven. Super easy to make!

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  • SK wrote:

    What can I use as a wine substitute?

    • Martha wrote:

      Hi – you can substitute vegetable or chicken stock.

  • Jean from Lake Ariel wrote:

    Hi. Made these the other day and they scrumptious! Made the recipe exactly as directed and it went perfectly. Thanks for sharing another great recipe.

    • Martha wrote:

      You’re very welcome Jean!

  • Stephanie wrote:

    I love that they are roasted in white wine.

    • Martha wrote:

      Thanks Stephanie! The wine adds great flavor! 🙂

  • Laura ~ Raise Your Garden wrote:

    Hmmmm, I always think that if something tastes good, maybe it’s not good for you? But this is not apparently true of sweet potatoes. My kids LOVE and gobble down sweet potatoes in any form. But I will be trying this. Always trying to sneak more veggies in their diets.

    • Martha wrote:

      Hope you all enjoy the recipe Laura! It’s an easy way to change up the flavors!

  • JT wrote:

    The temp noted is way too low. It took me almost double the time to roast them this way. I’ve always roasted them at 400 degrees, and I should have gone with my gut. And before anyone comments on it – yes, I have an oven thermometer to verify the temp.

    • Martha wrote:

      Thank you! We will make this recipe again and confirm the correct temp and timing. Sorry you had problems with the recipe.

    • Martha wrote:

      Hi Joe – Just wanted to circle back to you again – we just made the recipe again ourselves, and while we did find the cooking time and temp to be accurate, we do recognize that the instructions as written were lacking some details. We cut our potatoes into 1-inch pieces, while the recipe only said “large” pieces and I would imagine that anything larger than 1-inch would definitely take longer to roast. We will be updating the recipe post in the coming weeks with additional detail and instructions to avoid future problems. Thank you again for taking the time to write to us – we appreciate the feedback – and again we’re sorry you had issues with the recipe.

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