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    Home » Food

    How to Make Homemade Marshmallows Without Cornstarch

    Modified: Aug 6, 2025 by Sarita Harbour · Published: Mar 14, 2022 · This post may contain affiliate links and Amazon links

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    Jump to Recipe Print Recipe

    Wondering how to make homemade marshmallows without using cornstarch? Here's a simple recipe that can use just three ingredients to make marshmallows from scratch.

    Squeezing homemade marshmallows.Pin
    Making homemade marshmallows is easy. Photo credit: An Off Grid Life.

    Estimated reading time: 5 minutes

    If you've followed my blog for any length of time, you know how much I like to cook and bake. And try new recipes....and create new recipes.

    Since we live off the grid, I often adjust recipes that use power-hungry kitchen gadgets to use hand-cranked kitchen appliances instead.

    Although we do have off grid electricity in our homestead kitchen, in the winter we have very little sunlight. As in just about four-and-a-half hours. (We depend on a generator to power the batteries that run our appliances.)

    Yet by March, the sun is shining more, and the days are longer.

    So making things that need a lot of mixing, like bread dough or this homemade marshmallows recipe means I can use my KitchenAid Stand Mixer, which is one of my favorite homestead kitchen appliances.

    Why Make Homemade Marshmallows Anyways?

    a hand holding a small square of homemade marshmallowPin

    As part of our off-grid homeschool, we spend a lot of our long winter days doing bookwork and academic subjects.

    However, I'm a big believer in hands-on learning. So we also work on cooking and baking lessons. Often, these are related to the fiction books we're reading.

    This was a great hands-on lesson for my little helpers in the kitchen last week when it was sunny but cold out (about -34C.)

    Although the marshmallows weren't quite as firm as I was hoping, they'll work well in a couple of new recipes we'll make next week. The girls are especially interested in trying this marshmallow fruit dip, perfect for our Poetry Tea Time on Fridays.

    Ingredients You'll Need to Make Marshmallows From Scratch

    • 1 envelope (.25oz packet) of unflavored gelatin 
    • 2 cups of sugar
    • Pinch of salt
    • ½ cup powdered sugar for dusting 
    • 1 teaspoon vanilla, optional

    Helpful Kitchen Tools for This Recipe

    • KitchenAid StandMixer
    • Whisk Attachment
    • Glass Measuring Cups
    • Measuring Spoons
    • Spatula
    • Kitchen Thermometer
    • Sifter

    How to Make Homemade Marshmallows

    Mix the contents of the unflavoured gelatin envelope with ½ cup of water in a stand mixer bowl. Let this sit for about 5 minutes while melting the sugar. 

    Mix sugar with ¼ of water in a medium pot on high heat.

    a pot with sugar and water boiling on high heatPin

    IMPORTANT: Do not stir this! If you do, stirring will make crystals form in the sugar and your marshmallows will have crunchy bits. 

    Melt the sugar until the temperature reaches 240 degrees F.

    Once your sugar mixture hits this temperature, remove the pot from the stove.

    Pour the sugar mixture over the gelatin while mixing on medium with a whisk attachment.

    a marshmallow mixture in a stainless steel mixing bowlPin

    After it's mixed together, set the mixer on high.

    Let it continue to mix for about 10 minutes or until marshmallow fluff forms.

    Tip: I added 1 teaspoon of vanilla while whipping, as well as a pinch of salt.

    Grease a 9 x 9 pan, with oil, and then use a flour sifter to dust the bottom of the pan with powdered sugar.

    a square glass baking dish with powdered sugar dusting the bottomPin

    Pour the whipped marshmallow mix into the pan.

    Coat the top of the marshmallow with a dusting of powdered sugar. 

    Recipe

    a hand holding a small square of homemade marshmallowPin

    How to Make Homemade Marshmallows

    Sarita Harbour
    Use this simple recipe and learn how to make marshmallows! These homemade marshmallows use three to five ingredients (depending on your taste) and no cornstarch whatsoever.
    Print Recipe Pin Recipe
    Prep Time 20 minutes mins
    Additional Time 2 hours hrs 30 minutes mins
    Total Time 2 hours hrs 50 minutes mins
    Course Homestead Kitchen Recipes
    Cuisine American
    Servings 45 marshmallows

    Equipment

    • KitchenAid Wire Whip
    • KitchenAid Stand Mixer 5-Quart
    • KNOX Unflavored Gelatin
    • Pyrex Basics Clear Glass Baking Dishes

    Ingredients
      

    • 1 0.25 ounce envelope of unflavoured gelatine
    • 2 cups of white sugar
    • pinch of salt
    • ½ cup of powdered sugar for dusting
    • 1 teaspoon of vanilla extract
    • ½ cup water and ¼ cup water separated
    Get Recipe Ingredients

    Instructions
     

    • Mix the contents of the unflavoured gelatin envelope with ½ cup of water in a stand mixer bowl. Let this sit for about 5 minutes while melting sugar.
    • Mix sugar with ¼ cup of water in a medium pot on high heat. Don't stir this or crystals will form and your marshmallows will be crunchy!
    • Melt this mixture until it reaches 240F according to the thermometer.
    • Pour the mixture over the gelatin mixture while mixing on medium. Use the whisk attachment on the Stand Mixer.
    • Add a pinch of salt and vanilla extract (if using.)
    • Mix on high for 10 minutes or until the marshmallow fluff starts to form into peaks.
    • Grease a 9 x 9-inch glass dish or baking pan with oil and dust with powdered sugar. Pour the whipped marshmallow into the pan.
    • Dust the top with icing sugar and let it sit for 2 hours or so before serving.

    Notes

    I keep my homemade marshmallows in the fridge. Not sure if it is necessary, but it's what I do.
    For marshmallow fluff, just whip for about five or six minutes. This is a great base for fruit-dips with sour/tart fruit such as Granny Smith apples or rhubarb.
    Keyword homemade marshmallows, how to make marshmallows, marshmallows no cornstarch
    Tried this recipe?Let us know how it was!

    Let the marshmallow sit for a couple of hours before removing and serving. 

    Enjoy!

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    About Sarita Harbour

    Sarita Harbour is a long-time freelance writer, blogger, and homesteader who has been creating online content for over 15 years. She’s the founder of An Off Grid Life, where she shares practical advice on self-reliance, homesteading, off-grid living, and homeschooling based on her 11-year adventure living in Canada’s remote Northwest Territories.

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    Sarita Harbour.

    I'm Sarita. My family and I lived off the grid for 11 years in Canada's far north. If I did it, you can too.

    Learn more here →

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