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    Home » Recipes » Side Dish Recipes

    Mashed Butternut Squash and Sweet Potato

    Published: September 9, 2020 Updated: September 9, 2020 / By: Dawn | Girl Heart Food 10 Comments

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    Mashed butternut squash and sweet potato in a dish garnished with chives and sage leaves.

    Creamy, dreamy deliciousness, this mashed butternut squash and sweet potato recipe is easy to prepare, feeds a crowd and is so incredibly tasty! These squash mashed potatoes are sure to be a fall favourite!

    Mashed butternut squash and sweet potato in a dish garnished with chives and sage leaves.

    With fall just around the corner, that means all kinds of comfort food and special meals, especially those involving winter squash.

    I don’t know about you, but often I’m more excited about the side dishes than I am about the main dish.

    Garlicky mashed potatoes, green beans, roasted veggies, they all make my belly happy, just like this mashed butternut squash and sweet potato recipe.

    I just love this combo! And if you do too, you’ll likely enjoy this butternut squash sweet potato soup.

    Fun fact: even though butternut squash is savoury (and most often used in those types of dishes), it’s technically considered a fruit, not a vegetable? Neat huh?

    Despite the technicalities, with the addition of sweet potato, this mashed squash recipe is what I would consider a super delicious veggie side that’s sure to disappear fast!

    Why We Love This Recipe

    • Not including salt, pepper and optional garnish, this veggie side dish is made with only 5 ingredients!
    • It requires very little hands-on time. Most of the work is done by the oven.
    • It feeds a crowd, so it’s great for big dinners.
    • Of course, it tastes delicious!
    Close-up of mashed butternut squash & sweet potato garnished with chives & sage leaves.

    How To Make This Mashed Butternut Squash Sweet Potato Recipe

    Full details are in the recipe card below, but here are the basics:

    Roast the butternut squash and sweet potatoes

    1. Carefully cut your butternut squash in half length-wise, scoop out those seeds, drizzle with olive oil and a sprinkle of salt and pepper.
    2. Scrub clean the sweet potatoes and prick a bunch of times with a knife.
    3. Turn butternut squash cut side down onto a prepared sheet pan and place sweet potatoes alongside.
    4. Roast the butternut squash and sweet potato until they’re cooked through and tender, then carefully remove from the oven.
    Collage of steps to prepare and roast butternut squash and sweet potatoes.

    Make the butternut squash and sweet potato mash

    1. Once the roasted butternut squash and sweet potato are cool enough to handle, scoop out the flesh and put into a large bowl.
    2. Give everything a little mash.
    3. Add seasoned melted butter.
    4. Mash again, then transfer to a serving dish and garnish (if desired). Time to serve and enjoy these easy butternut squash mashed potatoes!
    Collage of steps to make butternut squash and sweet potato mash.

    Tips and Variations

    • Want a super smooth consistency? Whip the mixture with a hand mixer.
    • To keep things vegan, use vegan butter instead of regular.
    • I garnished with chives and crispy sage leaves. Alternatively, you can use chopped green onion or parsley instead. Garnish is totally optional, of course.
    Butternut squash sweet potato mash in a dish with a serving spoon dunked into it.

    More Delicious Vegetable Sides

    • Whipped Sweet Potatoes
    • Mashed Parsnips
    • Easy Scalloped Potatoes

    If you make this mashed butternut squash and sweet potato recipe, be sure to leave a comment below!

    Mashed butternut squash and sweet potato in a dish garnished with chives and sage leaves.

    Mashed Butternut Squash and Sweet Potato

    Dawn | Girl Heart Food
    Creamy, dreamy deliciousness, this mashed butternut squash and sweet potato recipe is easy to prepare, feeds a crowd and is so incredibly tasty! These squash mashed potatoes are sure to be a fall favourite!
    5 from 6 votes
    Print Recipe Save RecipeSaved!
    Prep Time 10 minutes mins
    Cook Time 1 hour hr
    Total Time 1 hour hr 10 minutes mins
    Course Side Dish
    Servings 8 servings
    Prevent your screen from going dark

    Ingredients
     

    • 3 pounds butternut squash
    • 2 pounds sweet potatoes
    • ½ tablespoon olive oil
    • 1 teaspoon salt, plus a pinch for roasting butternut squash
    • ½ teaspoon freshly ground black pepper, plus a pinch for roasting butternut squash
    • ½ cup unsalted butter, melted
    • ½ to 1 teaspoon pumpkin spice, depending on how pronounced you want the pumpkin spice flavour to be
    • Chopped chives, green onion or parsley, garnish to taste (optional)
    • Crispy sage leaves, garnish to taste (optional)

    Instructions

    • Preheat oven to 400 degrees Fahrenheit.
    • Carefully cut butternut squash in half, lengthwise. Scoop out seeds. You can discard or reserve them for another use.
    • Clean sweet potatoes, then prick them with a knife a bunch of times in preparation for baking.
    • Line a sheet pan with parchment paper. Drizzle olive oil over each half of the butternut squash and sprinkle with a pinch each of salt and black pepper. Place the butternut squash cut side down onto the prepared sheet pan. Place sweet potatoes on there too.
    • Roast for 45 minutes to 1 hour or so or until both butternut squash and sweet potatoes are tender all the way through when pierced with a knife.
      Note: If the butternut squash, for example, is cooked before the sweet potatoes, you can remove and continue cooking the sweet potatoes.
    • Once everything is cooked, carefully remove from the oven and allow to cool until you can handle it.
    • Once everything is cool enough to handle, scoop out flesh from the butternut squash. Cut potatoes in half and scoop out flesh. Place into a large bowl. Roughly mash. (You can discard the skins.)
    • Melt butter in a saucepan on the stovetop or in a microwave-safe dish in the microwave until just melted and warmed through. Add 1 teaspoon of salt, ½ teaspoon of black pepper and pumpkin spice, stirring to combine.
    • Pour melted butter mixture over butternut squash and sweet potato and mash again. Transfer to a serving dish. Garnish, if desired, with chopped chives and crispy sage leaves. Serve and enjoy!

    A note on times provided: appliances vary, any prep and/or cook times provided are estimates only.

    © Girl Heart Food Inc. Photographs and content are copyright protected.

    Keyword fall side, sweet potato and butternut squash, winter squash recipe

    Tried this recipe?

    If you do make this recipe, thank you!! It would mean so much if you could leave a comment below. Love to know how you enjoyed it, and it helps other readers too!

    « Red Currant Crostini With Goat Cheese
    Spiced Pumpkin Hummus Recipe »
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    © Girl Heart Food Inc. Photographs and content are COPYRIGHT PROTECTED.

    Reader Interactions

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    1. Alex

      September 14, 2020 at 3:16 am

      5 stars
      A good mash goes with so many things, and this is delicious. A great side dish, full of flavour!

      Reply
      • Dawn - Girl Heart Food

        September 22, 2020 at 8:35 am

        Agreed! Thanks Alex!

        Reply
    2. Marissa

      September 13, 2020 at 6:13 pm

      5 stars
      I could eat this creamy mash on repeat, Dawn! Delicious, nutritious and so versatile.

      Reply
      • Dawn - Girl Heart Food

        September 22, 2020 at 8:35 am

        I think I could too. Thanks Marissa!

        Reply
    3. Jennifer @ Seasons and Suppers

      September 10, 2020 at 1:24 pm

      5 stars
      Looks so delicious and I love the combination! And of course, that colour. I could just stare at that all day (and then eat it all 🙂

      Reply
      • Dawn - Girl Heart Food

        September 22, 2020 at 8:30 am

        Thank you Jennifer!

        Reply
    4. annie@ciaochowbambina

      September 09, 2020 at 4:47 pm

      5 stars
      I’ve had each mashed, but never together! This, I’m sure, will become one of my favorite sides for fall! Wonderful! And it’s getting me excited for cooler nights! xo

      Reply
      • Dawn - Girl Heart Food

        September 22, 2020 at 8:29 am

        Yay! It’s so yummy! Thanks Annie! XO

        Reply
    5. Kathy @ Beyond the Chicken Coop

      September 09, 2020 at 9:58 am

      5 stars
      I think you left out the amazing color on reasons to love! It’s stunning! I love how creamy and delicious these potatoes are. They are perfect for the holidays weeknight meals this fall.

      Reply
    6. David @ Spiced

      September 09, 2020 at 9:25 am

      5 stars
      Butternut squash is a fruit? Well count that as something new I learned today! We’ve made mashed sweet potatoes before, and they’re always quite tasty…but adding the butternut squash in there is a fun twist. Perfect for these early Autumn evenings!

      Reply

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