Marshmallow Frosting
This frosting is pretty much the most amazing thing I’ve ever tasted. It is the perfect amount of marshmallow and frosting combined. One thing I did realize (after I’d made it), was that you need to serve it directly after you make it. I made the mistake of preparing it a few hours in advance and that was definitely the wrong thing to do. While it still tastes amazing a few hours later, the frosting falls the longer you leave it. So basically delicious product, but it doesn’t look pretty.
I suggest using Baker’s Sugar for this recipe. While granulated sugar works you are going to get a finer finished product with the Baker’s Sugar. Baker’s Sugar is a super fine sugar that dissolves well in recipes. Using this for the frosting will result in a super smooth and fluffy frosting.
Marshmallow Frosting:4 Egg Whites1 Cup Baker’s Sugar¼ Teaspoon Cream of TartarDash of Salt1 Teaspoon VanillaFill a medium saucepan with 1 inch of water and bring it to a simmer over medium heat.
Place the egg whites, sugar, cream of tartar, and salt in the clean bowl of a stand mixer and whisk by hand to combine. Nest the bowl over the saucepan, making sure the bottom of the bowl is not touching the water. Heat the egg white mixture, whisking constantly, until the sugar has dissolved and the mixture is hot to the touch (about 120°F on an instant-read thermometer), about 6 minutes.
Transfer the bowl to a stand mixer fitted with the whisk attachment and add the vanilla extract. Turn the mixer to medium and whisk for 1 minute. Increase the speed to high and whisk until stiff, glossy peaks form, about 5 minutes more. Use immediately or store in an airtight container at room temperature for up to 3 hours.
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Source: Adapted from Chow