Best Substitutes for Powdered Sugar
Powdered sugar (also called confectioners sugar or icing sugar) is finely ground sugar mixed with a small amount of cornstarch. It dissolves instantly and is essential for smooth frostings.
Substitutes by Use Case
Frosting and icing
1 cup granulated sugar + 1 tsp cornstarch, blended 2 min = ~1 cupBlend granulated sugar with cornstarch until very fine. Works well in most frostings.
1:1Blend coconut sugar until powdery. Creates a darker, caramel-flavored frosting.
Dusting and decoration
1:1Blend until very fine. Works fine for decorative dusting.
1:1For chocolate pastries, dusting with cocoa powder avoids sweetness but keeps visual appeal.
💡 Expert Tips
- ✓You can make powdered sugar at home in a blender — but it will not be as fine as store-bought
- ✓The cornstarch in commercial powdered sugar prevents clumping and helps stabilize frostings
- ✓Always sift powdered sugar before using in frostings to avoid lumps
❌ Do NOT Use
- ✗Granulated sugar in frostings (will be gritty)
- ✗Liquid sweeteners directly in powdered sugar frosting recipes
Frequently Asked Questions
What is the best substitute for powdered sugar?
Homemade blended powdered sugar — use 1 cup granulated sugar + 1 tsp cornstarch, blended 2 min = ~1 cup. Blend granulated sugar with cornstarch until very fine. Works well in most frostings.
Can I substitute powdered sugar in baking?
Yes. The best options for baking are: Homemade blended powdered sugar and Coconut sugar (blended fine). Always match the ratio exactly for best results.
What is a vegan substitute for powdered sugar?
Homemade blended powdered sugar — Blend granulated sugar with cornstarch until very fine. Works well in most frostings.
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