01
Turbinado Sugar
3.31 cup : 1 cup
Blend fine in food processor 3 min; slightly coarser texture, good for dusting cookies
3.3
powdered sugars substitute
in frosting.
Powdered Sugars is the structural base of Frosting, building a smooth, sweet, spreadable body. The substitute must dissolve fully and whip to a stable texture.
top substitutes
02
Maple Syrup
3.33/4 cup : 1 cup
Use 3/4 cup syrup for glazes; won't work for dusting, reduces liquid elsewhere in recipe
3.3
adjustment for this dish
Maple syrup replaces powdered sugar at 0.75 cup per cup but fundamentally changes the buttercream — without solid sugar there's no structural scaffold, so beat in 2 tablespoons cornstarch and 1/4 cup cream cheese per cup to restore body. Whip 6 minutes until the frosting holds soft peaks. It won't pipe stiff rosettes but spreads beautifully as a glaze-style frosting.
03
Molasses
3.31/2 cup : 1 cup
Use 1/2 cup molasses in glazes; strong flavor, dark color, only for flavored frostings
3.3
adjustment for this dish
Molasses at 0.5 cup per cup of powdered sugar plus 2 cups additional sifted cornstarch builds a dark, spicy frosting with spreadable but not firm structure. Beat into butter over 5 minutes until smooth. Molasses's acidity (pH 5.0) can curdle dairy if cream is added; use a non-dairy cream or skip it. Ideal for gingerbread or spice cake, never traditional white cake.
show 7 more substitutes
04
Granulated Sugars
6.71 cup : 1 cup
Blend in blender until powdery; add 1 tsp cornstarch
6.7
05
Honey
3.31 cup : 1 1/4 cup
Liquid sweetener; use 3/4 cup honey per cup powdered sugar, reduce other liquids in the recipe
3.3
adjustment for this dish
Honey's liquid state requires compensation — use 1 cup honey per 1.25 cups powdered sugar, then whip in 1.5 cups additional cornstarch to rebuild pipeable consistency. The finished frosting is softer, floral, and won't hold sharp star-tip details. Refrigerate the piped buttercream 20 minutes before serving so it firms enough to keep shape on cake layers.
06
Maple Sugars
3.31 cup : 1 cup
Blend fine with 1 tsp cornstarch; maple flavor, use in glazes and frostings
3.3
07
Cane Syrup
3.33/4 cup : 1 cup
Thick syrup for wet glazes only; adjust liquid in recipe, no dusting or stiff frostings
3.3
08
Fruit Syrup
3.33/4 cup : 1 cup
Use for fruit glazes on desserts; adds flavor and moisture, not a dry dusting sugar
3.3
09
Fruit Flavored Syrup
3.33/4 cup : 1 cup
Flavored thick syrup for glazes and drizzles; adds fruity note, not for stiff frostings
3.3
10
Brown Sugars
3.31 cup : 1 cup
Moist with molasses flavor; pack firmly and use 1 cup per cup powdered, adds color and caramel notes
3.3
technique for frosting
technique
Powdered sugar is the entire structural skeleton of American buttercream frosting — you beat 1 pound of sifted sugar into 1 cup of softened butter over 4-5 minutes on medium speed, adding 2-3 tablespoons of cream at the end to reach a pipeable consistency that holds its shape on a star tip. The cornstarch in powdered sugar is what keeps the frosting stable at room temperature; granulated sugar at this ratio would leave it gritty and collapse within an hour.
Unlike its role in brownies (where it dissolves into melted butter) or cookies (where it stays semi-dry in a dough), frosting demands that powdered sugar disperse evenly through fat without dissolving at all, trapping air into a fluffy matrix. Sift through a fine-mesh strainer before adding — any lump shows up as a sandy speck when you spread or pipe.
Beat until the buttercream lightens two shades and pulls into stiff peaks, about 6 minutes total. The finished frosting should mound on a spoon and hold its form for 30 seconds.
pitfalls to avoid
watch out
Sift powdered sugar through a fine strainer before beating into butter — a single lump shows up as a sandy speck when you pipe or spread a smooth finish.
watch out
Don't add all the cream at once; start with 1 tablespoon and beat 60 seconds before adding more, or the buttercream breaks into a soupy consistency that won't hold shape.
watch out
Use unsalted butter softened to 65°F, not melted — melted butter beats into a soupy base that can't whip fluffy and deflates when piped.
watch out
Avoid humid kitchens above 75°F; buttercream softens and loses its pipeable structure, drooping off cake sides within 10 minutes of spreading.
watch out
Beat the finished buttercream on low for 60 seconds at the end to knock out large air bubbles, giving a smoother sweet finish under a bench scraper.