Brown Sugar
Not a different sugar from white so much as white sugar reunited with molasses, which supplies the colour, the damp texture and the caramel. Light and dark grades are simply less of it or more, rather than different products.
Quick Facts
Flavour Profile
Primary Flavours
Tasting Notes
Caramel and toffee over a damp molasses base: warmer and rounder than white sugar, with a faint bitter edge in the darker grades.
Storage & Handling
Airtight, away from the air that dries it out: a lidded tub keeps it soft and stops it setting into a block.
Shelf Life
Effectively indefinite kept dry; best texture within two years.
Usage
Creamed into a hot buttered rum batter, where the molasses gives a depth plain sugar cannot, and stirred into dark-spirit drinks that can carry caramel. It is not a neutral swap in a clear or delicate drink, since the colour goes in with the flavour.
White Sugar Reunited With Molasses
Brown sugar is not really a different sugar from white, so much as white sugar reunited with molasses. Either the refining stops before the molasses is fully spun out, or a film of molasses is added back to finished white crystals. Light and dark grades are simply less or more of it.
Most soft brown sugar on a supermarket shelf is the second kind, which is worth knowing before paying a premium for it. It is not less refined than white sugar; it is white sugar with something put back.
What the Molasses Does
That molasses is what a bartender is after. It brings caramel and toffee, a damp texture, and a faint bitterness the darker you go. In a hot buttered rum it creams into the butter and spice to give the batter its depth, doing what plain sugar cannot.
The moisture matters as much as the flavour. Molasses is hygroscopic, meaning it holds on to water, which is why brown sugar is damp, why it clumps, and why a batter made with it stays soft in the fridge instead of setting hard.
Brown, Demerara and Muscovado
The names are used loosely and they are not the same thing. Muscovado is genuinely unrefined and keeps its own molasses, which is why it is sticky, strongly flavoured and noticeably bitter at the dark end. Demerara is a large-crystal partially refined sugar that stays drier and crunchier and dissolves more slowly.
That last point decides where each belongs. Demerara suits a syrup, where it has time and heat to dissolve, and suits an Old Fashioned built on a cube. Soft brown sugar suits anything creamed or beaten, where the damp texture is an advantage rather than an obstacle.
Handling It
Treat it as sugar all the same. The sweetness is the job; the molasses is the flavour riding along. Measure by weight where you can, since it packs and clumps, and a heaped spoonful can hold half again what a level one does.
Keep it airtight, because the moisture that makes it soft will leave if it is allowed to. A block that has set hard has simply dried out, and a slice of bread left in the tub overnight, or a very short spell of gentle warmth, will bring it back.
Top Tips
- Molasses is the point, and it carries moisture: brown sugar clumps and packs, so measure by weight or press it level for an honest spoonful.
- Light or dark is a molasses dial, not a different sugar: dark reads closer to treacle, light keeps the caramel gentle.
- It is granulated sugar wearing molasses, not a health food: sweetness is the job, so treat it as sugar in a spec.
Possible Substitutions
- Caster or granulated sugar plus a little molasses or treacle
- Demerara for a coarser, less moist result
- Simple syrup where a liquid sweetener suits the drink
Production Method
Made either by stopping short of full refining so molasses stays with the crystal, or by coating finished white sugar with a measured film of molasses. More molasses, darker grade.
Common Questions
What is brown sugar?
Refined or partially refined sugar that still carries molasses, which gives it the colour, the damp texture and the caramel flavour. Light and dark grades differ only in how much of it they hold. Most soft brown sugar is white sugar with molasses added back.
Can I use brown sugar instead of white in a cocktail?
Where caramel depth suits the drink, such as a hot buttered rum or a dark-spirit sour, yes. It sweetens the same but brings molasses colour and flavour with it, so it is not a neutral swap in a clear or delicate drink.
Why has my brown sugar gone hard?
It has dried out, because the molasses moisture that keeps it soft has escaped. Keep it airtight. A set block will come back with a slice of bread left in the tub overnight, or with a very short spell of gentle warmth.
Is demerara the same as brown sugar?
No. Demerara is a large-crystal, partially refined sugar that stays dry and crunchy and dissolves slowly, which suits syrups and an Old Fashioned built on a cube. Soft brown sugar is damp and fine, and suits anything creamed or beaten.
Featured In These Cocktails
Often Used With
Guide by Jerry Can Spirits