Whats the best alternative to icing sugar?!

Question: im making sables

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Answers: im making sables

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For 1 cup powdered sugar substitute 1 cup granulated sugar + 1 teaspoon cornstarch ground in a blender (not a food processor it wont blend properly)
**Don't use powdered sugar in place of brown or white granulated sugar.

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There isn't an alternative.

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sorry there is none

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