Creamy Peanut Butter Frosting
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Appears in Cook's Illustrated May/June 2010
The ultimate cupcake isn't complete without the ultimate frosting.
WHY THIS RECIPE WORKS
For a refined peanut butter frosting recipe to complement our chocolate cupcakes, we opted for a cooked buttercream frosting of the Swiss meringue variety, where egg whites and granulated sugar are heated over a double boiler, then whipped ...
