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Lid of blender covered with corn-free powdered sugar.

Corn-Free Powdered Sugar

I recommend using superfine sugar to make homemade powdered sugar. If you can't find it, use traditional granulated sugar and blend it longer.
Prep Time 10 minutes
Total Time 10 minutes
Author GlutenFreeBaking.com Elizabeth Barbone


  • 1 cup super-fine sugar or tradtional granulated sugar (7 ounces; 198 grams)
  • 1 tablespoon tapioca starch (3/4 ounce; 22 grams)


  1. Combine sugar and tapioca starch in a high-powered blender. Starting at low speed, increase the power until you reach the blender’s highest speed. Blend until the sugar is powder-fine, about 30 seconds. Sift to remove any remaining lumps.
  2. Store powdered sugar in an airtight container. Sift before using.