"This buttercream holds its shape particularly well, making it good for decorating. If the buttercream becomes too soft while piping, stir it over an ice-water bath until it stiffens.This recipe can be used to make our Flower Cake...."
INGREDIENTS
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1 1/4 cups sugar
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1/3 cup water
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5 large egg whites
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Pinch cream of tartar
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1 pound (4 sticks) unsalted butter, cut into small pieces