Marshmallow Fluff
Use as a spread, on a cake or just eat with a spoon!
2/20/2025
Ingredients:
3 large egg whites , at room temperature
½ teaspoon cream of tartar*
¾ cup (7½ oz/213 g) corn syrup*
¾ cup (6 oz/171 g) granulated sugar
⅓ cup (2½ fl oz/75 ml) water
1 teaspoon extract of choice
Basic Cost to make: Approx £TBC
Makes approx 6 Cups
Equipment:
Stand mixer with whisk attachment
Scales
Saucepan
Candy Thermometer
Spatula
Piping bag
Jars or cups
Method:
In the bowl of a stand mixer fitted with a whisk attachment (thoroughly cleaned and grease free) add the egg whites and cream of tartar. Set aside.
In a medium sized heavy bottom saucepan add the corn syrup, sugar and water. Heat the mixture over low heat stirring constantly until the sugar dissolves, about 2 minutes. Once the sugar has dissolved, bring to a simmer and insert a candy thermometer. (This tool is essential in this recipe).
Allow the mixture to simmer until the thermometer reads 240℉ (120℃), about 7 minutes.
Once your sugar mixture has reached the desired temperature, remove it from the heat and set aside.
With the mixer on medium speed, whip the egg whites until you achieve soft peaks, around 3 minutes.
Very slowly and carefully pour the sugar syrup into the whites in a thin, steady stream. (If your sugar mix has firmed up , put it back on the heat to liquify it).
Once all of the syrup is in, increase the speed to medium-high and continue whipping for 6-8 minutes or until the mixture is thick and glossy. (The whites will deflate at first, but they will eventually thicken and fluff up).
Add in the vanilla extract and continue whipping until the fluff has cooled completely.


Notes:
Use your marshmallow fluff to decorate cakes or cupcakes. Store leftovers in an airtight container at room temperature for up to 6 weeks.
The sweet spot for this is getting the stream right between the whisk and the sides of the bowl, so the syrup doesn't get splashed by the whisk.
There are no substitutes for cream of tartar. It is an important ingredient in this recipe and cannot be left out
Replacing Corn Syrup: Golden syrup would work but just know it will turn your fluff a darker color. It won't come out white. You can also use glucose syrup or other invert syrup.
If the Fluff starts to separate the egg white it can be whisked to reincorporate. Ensuring enough whisking time should prevent this
To make vegan - use Egg replacer or aquafaba
Bigger Bolder Baking recipe: https://www.biggerbolderbaking.com/homemade-marshmallow-fluff/
Email:
kitchenwitchmallows@gmail.com
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2025