Learning How to Make Marshmallow Fluff may seem intimidating, but as long as you have a thermometer and an electric mixer and a few simple ingredients, you can have this made in under 20 minutes and it’s far superior to any store-bought version. This version is made using only honey and maple syrup!
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The bowl and whisk attachment must be cleaned well because if there is any grease in it, it will prevent the egg whites from whipping up properly.
You can use a candy thermometer attached to the pot to monitor the temperature, or an instant read thermometer.
Use a large pot to prevent the sugar mixture from boiling over. If it is still boiling close to the edge of the pot lower the heat. It will take longer to come up to the correct temperature, but it will eventually.
Troubleshooting: If you mixture hasn’t thickened up and become glossy, either the sugar syrup was not the proper temperature, or you haven’t whipped the egg whites long enough. So If it isn’t looking properly try whipping longer to see if that helps.