Place cherries and mint on paper towels, and let stand until completely dry.
Beat powdered sugar, 1/3 cup water, and meringue powder at medium speed with an electric mixer 2 to 3 minutes or until smooth and creamy.
Brush cherries and mint sprigs with meringue mixture, using a small paintbrush; sprinkle with sugar, and place on a wire rack. Let stand 2 to 3 hours or until dry.
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