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Homemade Marshmallow Fluff

This easy marshmallow fluff is sticky, sweet and perfect for topping or filling desserts! It’s a simple homemade recipe with only 6 ingredients and a hint of vanilla flavor.

Marshmallow fluff in a jar.
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Easy Homemade Marshmallow Fluff

Sweet and smooth, marshmallow fluff is easier than you think to make at home! With only a few pantry ingredients, it’s light, fluffy and can be used in many desserts from Rice Krispie treats to strawberry fruit dip!

The next time you run out of marshmallow crème for frozen s’mores, try your hand at making this fluff recipe! You may even eat it by the spoonful.

Why This Recipe Works

  • It tastes good: The jarred kind is convenient, but there’s something extra special about making marshmallow fluff at home that will remind you of being a kid.
  • Versatility: Marshmallow cream is a versatile base for lots of sweet treats, like this fluffy marshmallow frosting or an original fantasy fudge recipe.

Ingredient Notes

Marshmallow fluff ingredients on the counter.

Find the full printable recipe with specific measurements below.

  • Egg whites: Ensure they are at room temperature for the best volume.
  • Cream of tartar: Helps stabilize the egg whites and gives them more volume.
  • Light karo syrup: Adds to the fluffiness and texture of the marshmallow cream. Dark corn syrup would add to strong of flavor.
  • Granulated sugar and vanilla: Adds flavor to the fluff.
  • Water: Will help it obtain the perfect consistency.

How to Make Homemade Marshmallow Fluff

Begin by placing egg whites and cream of tartar in a large bowl of an electric mixer. Fit the hand mixer with the beater attachment. You can also use a stand mixer with whisk attachment.

Egg whites and cream of tartar in a large mixing pitcher.

In a medium saucepan, combine water, sugar, and corn syrup. Cook over medium heat, stirring constantly until it boils. Attach a candy thermometer to keep an eye on the temperature.

Water, sugar and corn syrup with a candy thermometer in a pot.

As the sugar syrup cooks, start whipping the egg whites until foamy.

Whipped egg whites.

Once sugar mixture reaches the right temperature, drizzle it into egg whites, continuing to whip. Beat on high speed until the mixture doubles in size and soft peaks form. Add vanilla and beat for an additional minute.

Marshmallow fluff on whisk.

Recipe Tips

These tips will help you make the best homemade marshmallow fluff!

  • I recommend using a candy thermometer to make marshmallow fluff as it takes the guesswork out of getting the right temperature which is the key to success here!
  • Add the hot sugar mixture very slowly to the egg whites to avoid cooking them.
  • Grease or even a speck of egg yolk can prevent your egg whites from whipping up into a meringue consistency. Try wiping your equipment with lemon juice first then whipping your egg whites.
  • If it the fluff goes flat, you can either re-whip it by hand or add it back to the mixer and whip again.

Using Marshmallow Creme

    Storage

    Store leftover homemade marshmallow fluff in a covered in an airtight container at room temperature. No need to keep it in the refrigerator. It will keep well for up to 2 weeks on the counter.

    Marshmallow fluff in a jar with graham crackers.

    More desserts to make with homemade marshmallow creme include s’mores popcorn, s’mores cookies and mini s’mores cups.

    More Dessert Recipes

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    Marshmallow fluff in a glass jar.

    Homemade Marshmallow Fluff Recipe

    5 from 8 votes
    ↑ Click stars to rate now!
    Author: Jamielyn Nye
    Easy homemade marshmallow fluff is sticky, sweet and perfect for topping or filling desserts! It's a simple recipe with only 6 ingredients and a hint of vanilla flavor.
    Prep Time: 5 minutes
    Cook Time: 15 minutes
    Let set: 1 hour
    Total Time: 1 hour 20 minutes
    Servings: 36

    Video

    Ingredients 

    • 3 egg whites , room temperature
    • ½ teaspoon cream of tarter
    • ¾ cup granulated sugar
    • ¾ cup light karo syrup
    • cup water
    • 1 teaspoon vanilla extract

    Instructions

    • In a large bowl of an electric mixer add 3 egg whites and 1/2 teaspoon cream of tartar. Add the beater attachment and plug in the mixer so it’s ready to go. 
    • In a medium saucepan, combine 3/4 cup sugar, 3/4 cup karo syrup and 1/3 cup water over medium heat. Bring to a boil and stir constantly. Clip a candy thermometer to the pan. 
    • While the sugar mixture is cooking, start whipping the egg whites in the mixing bowl until they become foamy.
    • Once the candy mixture reaches 240°F, drizzle the mixture SLOWLY into the bowl with the egg whites. Scrape down the sides and then beat on high speed until the the mixture has doubled and a soft peak forms (about 5 minutes). When mixture becomes fluffy and shiny you know it's ready. Add 1 teaspoon vanilla and beat an additional minute.
    • Store in a covered container at room temperature for 2 weeks. Serve as a topping on top of desserts or use as a replacement for jarred marshmallow fluff in baked goods.

    Notes

    Storage: Store in a mason jar up to 4 weeks at room temperature. 
    S’mores bites: Leftover fluff? Spread between 2 pieces of graham crackers and them dip in melted chocolate. Makes the ultimate gooey s’mores bite.

    Nutrition

    Calories: 97kcal | Carbohydrates: 22g | Protein: 1g | Fat: 1g | Saturated Fat: 1g | Sodium: 9mg | Potassium: 10mg | Fiber: 1g | Sugar: 22g | Calcium: 2mg | Iron: 1mg

    Nutrition provided is an estimate. It will vary based on specific ingredients used.

    Course: Dessert
    Cuisine: American

    Did you make this recipe? Don’t forget to give it a star rating below!

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