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How to Make Marshmallow Fluff

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Charlotte LaPointeBy Charlotte LaPointe
Charlotte LaPointe
Charlotte LaPointe Food Writer

Experienced writer and research analyst ensuring accuracy, honesty, and authenticity.

Expertise: Food Writing, Nutrition & Food History View all posts →
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Plush, pillowy and perfect for everything from homemade s’mores to hot chocolate toppers!

Toasted marshmallow fluff piped high on a chocolate chip cupcake.

Marshmallows all taste a little different. It makes it that much harder to chase down the memory of how delicious that first s’more was or how your favorite hot chocolate just isn’t quite right without the right marshmallow. A lot of store-bought mallows (even some jars of Marshmallow Fluff!) come in different colors and sizes but none of them quite taste like they did when you were younger. While that may be the consequence of a rose-tinted retrospective, I think that there’s a solution: making the marshmallow yourself!

I can’t see why you wouldn’t want to! Who doesn’t love a plush, fluffy white cloud of scintillatingly sweet, totally toast-able marshmallow? Whether it’s on top of a delicious muffin, melting between the layers of a scrumptious summertime s’more, or adorning the top of a rich cup of hot cocoa on a cold winter’s night, nothing quite says “whimsy” like a dollop of ooey-gooey Marshmallow Fluff! If you’re reliving your favorite memories through the treats of your childhood or trying to build new memories that are just as sweet, you can’t go wrong with making your own marshmallow for that fulfilling flavor inspired by everyone’s favorite Marshmallow Fluff (but made right at home)!

Ingredients for How to Make Marshmallow Fluff: granulated sugar, light corn syrup, water, cream of tartar, and pure vanilla extract.

Marsh Mallows: A Botanical Namesake…

Sometimes you might wonder what a marshmallow is supposed to taste like (other than a delicious cloud plucked from heaven!) and you may have heard of a flower with the same name. Despite what you might think, marshmallows aren’t meant to taste like marsh mallows – at least, not anymore.

The marsh mallow (known to botanists as Althaea officinalis) is a flowering plant which has been utilized as a food and in herbal medicine since 2000 BCE. That means even the Ancient Egyptians were eating marsh mallows, though they looked very different to what we know today. At the time, marsh mallow roots were boiled into pulp and combined with honey until thickened. The resulting product was used to soothe sore throats and even heal wounds!

It took French confectioners of the 1800s to ramp up marshmallow production by altering the formulation to unite the apothecary uses of marsh mallow with novel indulgent ingredients. By whipping dried marsh mallow roots, egg whites, sugar, and water, a new marshmallow (a spongy, soft dessert more closely resembling something we’re familiar with) was born! While this recipe was often sold as a lozenge, some confectioners were replacing the marsh mallow root ingredient for gelatin to create more stable sweets! Meanwhile, others were sticking with the fluffier side of candy…

Confectioners H. Allen Durkee and Fred L. Mower (candy men who would toil in the kitchen nightly to make treats to sell door-to-door by day) banded together in 1920 to form the Marshmallow Fluff company, originally canning “Toot Sweet Marshmallow Fluff” before dropping the “Toot Sweet” and going on to create one of the most successful confectionery companies throughout the ages. At the time, a 1-gallon can would sell for $1.00! Since then the treat has appeared commercially alongside cereal classics as a binder for marshmallow and toasted rice treats and Marshmallow Fluff has gone from door-to-door sales to an internationally recognized company.

Our current marshmallows are formed and shaped but nothing quite beats the original fluff with its plush and pillowy mixture of gelatin and sugar; and, either as a result of the long and storied history or as a subtle nod to the original, modern marshmallows are still a beautiful pearly white, just like the petals of their namesake. Think about that next time you buy your jar of Marshmallow Fluff or next time you’re whipping up your own!

Beating the marshmallow fluff mixture with a hand mixer in a metal bowl.

How to Make Ahead and Store?

Homemade Marshmallow Fluff is best used right away (before the peak fluffiness begins to deflate) but, it can survive in a room-temperature airtight container for up to 2 weeks. Just re-whip and dollop as you need it!

Cupcakes topped with toasted marshmallow fluff, showing golden-brown swirls.

Serving Suggestions

What doesn’t taste better with a dollop of homemade Marshmallow Fluff on top? Okay, yeah, a lot of things probably, but you can make so many desserts even more whimsical with a healthy heaping of that plush pillowy fluff! Don some delicious Chocolate Cupcakes with an airy marshmallow topping! Layer and toast Marshmallow Fluff onto Classic Vanilla Sponge Cake! Crown a Tropical Tart with a flourish of fluffy flavor! Or, if you want to take a simple recipe and elevate it, use your homemade fluff to adorn some fun Pretzel Bars!

Toasted marshmallow fluff swirled on top of vanilla cupcakes.
Toasted marshmallow fluff piped high on a chocolate chip cupcake.

How to Make Marshmallow Fluff

Baked Bree, woman with red hair wearing large sunhat and pink sunglasses outdoors.Charlotte LaPointe
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Print Recipe Pin Recipe
Prep Time 10 minutes mins
Cook Time 10 minutes mins
Total Time 20 minutes mins
Course Dessert
Cuisine American
Servings 8
Calories 132 kcal

Ingredients
  

  • 3 large egg whites at room temperature
  • 2/3 cup granulated sugar
  • 1/2 cup light corn syrup
  • 1/4 cup water
  • 1/4 teaspoon cream of tartar
  • 1 teaspoon pure vanilla extract

Instructions
 

  • In a clean, dry mixing bowl, beat egg whites and cream of tartar until soft peaks form.
    Soft whipped egg whites in a mixing bowl for baking recipes.
  • Combine sugar, corn syrup, and water in a saucepan. Cook over medium heat, stirring occasionally, until the sugar dissolves and the mixture reaches 240°F on a candy thermometer.
    Combining sugar, corn syrup, and water for How to Make Marshmallow Fluff.
  • With the mixer running on low, carefully pour the hot syrup into the egg whites in a slow, steady stream.
    Pouring hot syrup into whipped egg whites with an electric mixer for marshmallow fluff.
  • Increase the mixer speed to high and continue beating until the mixture is thick and glossy, about 7-8 minutes.
    Beating the marshmallow fluff mixture with a hand mixer in a metal bowl.
  • Add vanilla extract and beat until incorporated.
    Adding vanilla extract to marshmallow fluff in a mixing bowl.
  • Use immediately or store in an airtight container at room temperature for up to two weeks.
    Fluffy homemade marshmallow fluff on a spatula.

Nutrition

Calories: 132kcalCarbohydrates: 33gProtein: 1gFat: 0.1gSodium: 33mg
Keyword homemade marshmallow, marshmallow fluff
Tried this recipe?Let us know how it was!
Baked Bree, woman with red hair wearing large sunhat and pink sunglasses outdoors.

About Charlotte LaPointeFood Writing, Nutrition & Food History

Experienced writer and research analyst ensuring accuracy, honesty, and authenticity.

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Published: Aug 1, 2024 | Updated: Jan 30, 2026

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