01
Brown Sugars
7.5best for frosting1 cup : 1 cup
Coarse raw sugar; similar molasses depth, grinds well for cookie and crumble toppings
7.5
turbinado sugar substitute
in frosting.
Turbinado Sugar provides sweetness and moisture to Frosting, affecting the smooth, spreadable texture and browning. Ground fine it dissolves into buttercream, but any undissolved grit leaves a sandy mouthfeel; a substitute must dissolve completely in the fat-and-liquid base of the frosting, or be ground to a comparable fine particle size before use.
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02
Molasses
7.5best for frosting1 cup : 3/4 cup
Dark and bitter; use 1/3 cup molasses per cup turbinado plus extra sugar to balance sweetness
7.5
adjustment for this dish
Molasses at 0.75 cup is pure liquid; skip the water entirely when making the syrup and heat molasses to 235°F (not 240°F, since it scorches fast). The result is a dark, glossy buttercream that pipes thick and beat-holds shape, but flavor runs bitter — balance with 1 extra teaspoon vanilla and a pinch of salt.
03
Honey
7.51 cup : 3/4 cup
Liquid sweetener; use 3/4 cup honey per cup turbinado, reduce other liquids by 3 tbsp
7.5
adjustment for this dish
Honey at 0.75 cup replaces both water and sugar in the syrup step; heat honey to 232°F (its smoke point is lower than sucrose). The fluffy meringue whips with a floral note and pipes a soft, less firm rosette that slumps after 30 minutes above 72°F — serve frosted cakes within 2 hours or chill the piped surface.
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04
Granulated Sugars
5.01 cup : 1 cup
Coarse crystals; use same amount but expect slight molasses flavor and crunch if unmelted
5.0
technique for frosting
technique
Turbinado is the wrong tool for most frostings — its 1-2mm crystals will not dissolve in a room-temperature buttercream and leave the spread gritty under the pipe tip no matter how long you beat. To make it work, make a simple syrup first: combine 1 cup turbinado with 1/3 cup water, heat to 240°F (soft-ball stage), and stream the hot syrup into whipped egg whites to build a Swiss meringue base.
Beat the meringue for 8-10 minutes until the bowl feels cool to the touch, then add 1 cup softened butter one tablespoon at a time. The result is a fluffy, pipeable buttercream with amber caramel undertones that regular granulated cannot produce.
Unlike cake batter, where you can cream turbinado directly with butter, frosting has no oven heat to rescue undissolved crystals — skipping the syrup step guarantees sandy texture. Keep the frosting at 68-70°F to hold shape on a piped rosette; above 74°F the molasses in turbinado softens the butter faster than plain sugar, and your smooth finish slumps within 20 minutes.