Marshmallow Frosting Recipe

1. 1

   Fill a medium saucepan with 1 inch of water and bring it to a simmer over medium heat.

2. 2

   Place the egg whites, sugar, cream of tartar, and salt in the clean bowl of a stand mixer and whisk by hand to combine.

3. 3

   Nest the bowl over the saucepan, making sure the bottom of the bowl is not touching the water.

4. 4

   Heat the egg white mixture, whisking constantly, until the sugar has dissolved and the mixture is hot to the touch (about 120 degrees F on an instant-read thermometer), about 6 minutes.

5. 5

   Transfer the bowl to a stand mixer fitted with the whisk attachment.

6. 6

   Turn the mixer to medium and whisk for 1 minute.

7. 7

   Increase the speed to high and whisk until stiff, glossy peaks form, about 5 minutes more.

8. 8

   Add the vanilla and whisk until just incorporated, about 1 minute.

9. 9

   Use immediately or store in an airtight container at room temperature for up to 3 hours.

* Per serving · 4 servings · Values may vary.

No additional tips available.