This fluffy, sweet, and versatile marshmallow fluff is perfect for spreading on toast, swirling into hot chocolate, or layering into desserts like s’mores. The best part? It’s made from scratch and tastes even better than store-bought!
What is marshmallow fluff?
Marshmallow fluff is a dreamy, velvety spread made from whipped egg whites, sugar, and corn syrup, creating a texture that’s light as air yet decadently rich. This sweet treat is a staple in many kitchens, often used to top desserts, swirl into beverages, or sandwich between cookies.
Unlike traditional marshmallows, fluff remains soft and spreadable, making it perfect for recipes like fudge, fluffernutter sandwiches, or frosting. It brings the nostalgia of campfire marshmallows without the hassle of melting or toasting, offering endless versatility and a burst of sweetness to elevate any dish.
Ingredients
- Water: Acts as a base to dissolve the sugar and corn syrup, creating the syrup for the fluff.
- Granulated sugar: Provides sweetness and structure, contributing to the marshmallow fluff’s stability.
- Corn syrup: Prevents sugar crystals from forming, ensuring the syrup stays smooth and the final product has a soft, fluffy texture. Glucose or hone can also be used as substitutes.
- Egg whites: Serve as the main stabilizer and aerating agent, creating the fluffy, whipped texture characteristic of marshmallow fluff.
- Cream of tartar: Helps stabilize the egg whites, ensuring they whip up properly and hold their shape during and after adding the hot syrup.
Tips for perfect marshmallow fluff
Use room-temperature egg whites: Cold egg whites won’t whip up as well. Let them sit out for about 30 minutes before starting.
Invest in a candy thermometer: Precision is key for marshmallow fluff. The syrup must reach exactly 240°F (115°C) for the perfect consistency.
Be patient when pouring the syrup: Add the hot syrup to the egg whites in a slow, steady stream while the mixer is running. Pouring too quickly can cook the eggs or ruin the fluff’s texture.
Don’t skip cream of tartar: It stabilizes the egg whites, making them easier to whip and more resilient when combined with the hot syrup.
Whip until stiff and glossy: Keep whipping until the mixture holds firm peaks and is smooth and shiny. Undermixing will leave the fluff too runny.
Clean tools are essential: Any grease or residue in your bowl or on your whisk can prevent the egg whites from whipping properly. Make sure everything is clean and dry.
Store properly: Transfer your marshmallow fluff to an airtight container and refrigerate if not using immediately. This keeps it fresh and ready to use for up to two weeks.
Frequently Asked Questions
Can I make marshmallow fluff without a candy thermometer?
While a candy thermometer is the most reliable way to reach the correct temperature, you can test the syrup by dropping a small amount into cold water. It should form a soft, pliable ball (soft-ball stage). However, using a thermometer ensures accuracy and better results.
How do I store marshmallow fluff?
Store marshmallow fluff in an airtight container. It can be kept at room temperature for up to 3 days or in the refrigerator for up to 2 weeks. Make sure to seal it well to prevent it from drying out.
Can I substitute cream of tartar?
Yes, you can substitute cream of tartar with 1 teaspoon of lemon juice or white vinegar per egg white. However, cream of tartar provides the best results for stability.
Is marshmallow fluff the same as marshmallows?
Not exactly. Marshmallow fluff is a spreadable version of marshmallows. It’s soft, creamy, and doesn’t set into a firm shape like traditional marshmallows.
Can I add flavors to marshmallow fluff?
Absolutely! After whipping the mixture, you can add vanilla extract, almond extract, or even a few drops of food coloring for a fun twist.
Can I use marshmallow fluff as frosting?
Yes! Marshmallow fluff makes a fantastic frosting for cakes, cupcakes, and cookies. It’s light, sweet, and pairs well with many flavors.
What’s the best way to clean sticky marshmallow fluff off utensils?
Soaking your tools in warm, soapy water immediately after use is the easiest method. This prevents the fluff from hardening and makes cleanup much simpler.
Is marshmallow fluff gluten-free?
Yes, this homemade marshmallow fluff recipe is naturally gluten-free, as long as all your ingredients are certified gluten-free.
Can I freeze marshmallow fluff?
Freezing isn’t recommended, as it can alter the texture. It’s best to make and use it fresh or store it in the refrigerator.
Let’s Get Cooking
If you liked this recipe make sure to leave me a comment and rating down below, I would love to know how you went. Also don’t forget to tag me on Instagram @catherine.desserts so I can see and share your desserts.
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PrintLet’s Get Cooking
If you liked this recipe make sure to leave me a comment and rating down below. I’d love to know how it went! Also, don’t forget to tag me on Instagram @catherine.desserts.
Follow me on Facebook, Pinterest, YouTube, and TikTok for more of my baking creations and updates!
Homemade Marshmallow Fluff
This fluffy, sweet, and versatile marshmallow fluff is perfect for spreading on toast, swirling into hot chocolate, or layering into desserts like s’mores. The best part? It’s made from scratch and tastes even better than store-bought!
- Prep Time: 15 minutes
- Cook Time: 15 minutes
- Total Time: 30 minutes
- Yield: 4–5 cups 1x
- Category: Frosting
- Method: Intermediate
- Cuisine: American
Ingredients
- 90g water (1/3 cup)
- 180g granulated sugar (3/4 cup)
- 240g corn syrup (3/4 cup)
- 3 egg whites, room temperature
- 1/2 tsp cream of tartar
- 1 tsp vanilla extract (optional)
Instructions
- In a medium saucepan, combine the water, granulated sugar, and corn syrup. Place over medium heat and stir gently until the sugar dissolves. Stop stirring once dissolved to prevent crystallization. Attach a candy thermometer and let the mixture simmer until it reaches 240°F (115°C).
- While the syrup is heating, add the egg whites and cream of tartar to a clean, dry mixing bowl. Using a stand mixer or handheld mixer, whip on medium-high speed until soft peaks form, about 3–4 minutes.
- Once the syrup reaches 240°F, remove it from the heat. With the mixer running on low speed, slowly pour the hot syrup in a thin, steady stream into the whipped egg whites, avoiding splashes.
- After adding all the syrup, increase the mixer speed to high and whip until the mixture is glossy, fluffy, and holds stiff peaks. This takes about 7–8 minutes, and the bowl should feel slightly warm when done.
- Transfer the marshmallow fluff to an airtight container, allow it to cool completely, and store it at room temperature for up to 3 days or in the refrigerator for up to 2 weeks.
