This delicately flavored peach buttercream frosting makes just the right amount for a 2-layer, 9-inch cake or a 13- x 9-inch sheet cake.
Process peach in a blender or food processor until pureed. (Puree should measure about 1/2 cup.)
Beat butter at medium speed with an electric mixer until creamy; gradually add powdered sugar alternately with pureed peach, beating until well blended after each addition.
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