Swiss meringue is a style of meringue that involves heating egg whites with sugar over a double boiler. Meringue can be used to make cookies, top pies and tarts, or made into Swiss Meringue Buttercream.
06Once the mixture feels smooth between your fingers, transfer the bowl to a stand mixer fitted with a whisk attachment. Alternatively, you can use a hand mixer.
07Whip on medium-high speed until the mixture cools down and holds stiff peaks, about 5-7 minutes.