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How to Make Powdered Sugar at Home (2 Ingredients)

This easy homemade powdered sugar is made with just two simple ingredients and comes together in minutes. It’s the perfect solution when you run out of store-bought powdered sugar and need it right away. Smooth, fine, and great for frostings, glazes, and baking, this from-scratch version works just like the kind you buy at the store.

Ingredients

Scale
  • 1 cup granulated sugar

  • 1 tablespoon cornstarch

Instructions

  1. Add the granulated sugar and cornstarch to a high-speed blender or food processor.

  2. Blend on high for 30–60 seconds, or until the mixture becomes fine and powdery.

  3. Let the dust settle before opening the lid.

  4. Check the texture and blend again if needed.

  5. Transfer to an airtight container for storage.

Equipment

Notes

  • For extra smooth powdered sugar, sift after blending.

  • Use as a 1:1 replacement for store-bought powdered sugar.

  • Store in an airtight container at room temperature.