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    • Home / The Cocktail Guides
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    What Is Demerara Syrup? (And Why It Makes a Better Cocktail)

    June 02, 2026 4 min read

    If you’ve come across demerara syrup in a cocktail recipe and weren’t sure what it was or whether it was worth tracking down, the short answer is: it’s worth it. 

    Demerara syrup is a liquid sweetener made from demerara sugar, a minimally refined raw cane sugar, dissolved in water. It’s richer and more complex than plain simple syrup, with a subtle molasses depth that integrates into spirit-forward cocktails in a way that regular sugar doesn’t. In a drink like an Old Fashioned, it’s often the detail that separates a cocktail that tastes fine from one that feels complete. 

    This guide covers what demerara syrup is, how it’s different from other sweeteners, how to make it at home, and when it’s worth using over simpler alternatives. 

    All different kinds of sweeteners lay on a counter top; brown sugar, white granulated sugar, brown sugar cubes, white sugar cubes

    What demerara syrup actually is 

    Demerara sugar is a raw cane sugar with large, golden-brown crystals and a natural molasses content that standard white sugar has had refined out of it. It originated in the Demerara region of what is now Guyana, though today it’s produced in several countries and widely available. 

    The key difference between demerara and white sugar is refinement. White sugar goes through a process that strips out nearly all of its natural molasses, leaving a clean, neutral sweetness. Demerara sugar skips much of that process, which preserves the molasses, and with it, a deeper, more rounded flavor that carries through into whatever you use it in. 

    When you dissolve demerara sugar into water to make a syrup, that character comes with it. The result is a sweetener with a warm, slightly complex flavor that does more than just add sweetness. 

    The Mixologer label demerara syrup sits on a wood counter top.

    How Demerara Syrup Differs From Other Sweeteners

    Sweetener Flavor Profile Consistency in Drink Best For
    Sugar Cube Neutral, lightly sweet Can be uneven if not fully dissolved Traditional preparations
    Simple Syrup (1:1) Clean, straightforward Fully integrates, consistent Highballs, sours, lighter cocktails
    Demerara Syrup (2:1) Richer, slightly molasses-forward, more depth Fully integrates with added complexity Old Fashioned, Manhattan, spirit-forward cocktails
    Honey Syrup Floral, distinctly flavored Integrates well Bees Knees, Gold Rush, whiskey sours

     

    The main practical difference between demerara syrup and simple syrup is flavor depth. Simple syrup adds sweetness cleanly and gets out of the way. Demerara syrup adds sweetness and a subtle warmth that supports the other ingredients, particularly in spirit-forward drinks where there aren’t many other flavors to fill that space.

    The difference between demerara syrup and a sugar cube is more about consistency. A sugar cube doesn’t always fully dissolve during stirring, which can leave the sweetness uneven from one sip to the next. Demerara syrup integrates completely, so the flavor stays consistent throughout the drink.

    Two white granulated sugar cubes sit on a black counter.

    How It Changes a Cocktail

    In a drink like an Old Fashioned, sweetness does more than soften the alcohol, it shapes the texture and structure of the drink. That’s where demerara syrup earns its place.

    A sugar cube can work, but it doesn’t always dissolve evenly, which can make the experience feel slightly inconsistent from sip to sip. Demerara syrup blends more fully into the drink, adding a gentle warmth and depth that softens the edges without flattening the flavor.

    What sets it apart isn’t just sweetness, but how it supports everything around it. There’s a slight richness, a hint of molasses depth, and a more integrated finish that brings the drink into balance without drawing attention to itself.

    The difference isn’t dramatic, but it becomes easy to notice once you know what to look for.

      When to Use It (and When to Skip It) 

    Demerara syrup is most worth using in spirit-forward cocktails where small details tend to have a greater impact and the sweetener is a primary flavor component, not just a background note. Old Fashioneds, Manhattans, and certain rum-based drinks all benefit from that added depth, especially when the goal is balance rather than just sweetness. 

    In lighter, more citrus-driven cocktails like a Gin & Tonic, a Mojito, or a Daiquiri, the added complexity of demerara can sometimes work against the drink. Those cocktails tend to benefit from a cleaner sweetener that doesn’t compete with the other flavors. Simple syrup is usually the better call there. 

    The general principle: the more spirit-forward the cocktail, the more demerara syrup adds. The lighter and more citrus-driven, the less noticeable the difference. 


    Frequently Asked Questions

    What does demerara syrup taste like?

    Demerara syrup is sweet with a subtle, warm depth — a hint of molasses and caramel that sets it apart from plain simple syrup. It’s not strongly flavored enough to taste distinctly of molasses in a cocktail, but it adds a roundness that a neutral sweetener doesn’t.

    Can I substitute simple syrup for demerara syrup?

    Yes, and it works fine as a substitute in most cocktails. The flavor will be slightly cleaner and less complex, and the texture will be thinner if you use a 1:1 simple syrup. In spirit-forward cocktails like an Old Fashioned, the difference is noticeable but not disqualifying, it’s still a good drink, just a slightly less layered one.

    What ratio should I use for demerara syrup?

    The standard cocktail ratio is 2:1, two parts demerara sugar to one part water. This produces a richer, slightly thicker syrup than a 1:1 ratio. For spirit-forward cocktails, 2:1 is the better choice.

    Is demerara sugar the same as brown sugar?

    No, though they’re related. Brown sugar is white sugar with molasses added back in after refining. Demerara sugar is a raw sugar that retains its natural molasses content without going through full refining. In practical terms, brown sugar produces a softer, more treacle-like syrup. Demerara is drier and slightly more complex. For cocktails, demerara is the better choice.

    Can I use turbinado sugar instead of demerara?

    Yes. Turbinado and demerara are both minimally refined raw cane sugars and are interchangeable for cocktail syrups. Turbinado (sold as Sugar in the Raw) is slightly less molasses-forward than true demerara, but the difference in a finished cocktail is minimal.

    The Bottom Line

    Demerara syrup is a small upgrade with a noticeable impact, particularly in cocktails where the sweetener plays a real structural role. The extra step of making it at home takes about five minutes, and once you’ve used it in an Old Fashioned, it’s genuinely hard to go back to a sugar cube.

    If you’d rather skip the prep entirely, The Mixologer’s Old Fashioned cocktail kits include demerara syrup pre-portioned alongside the whiskey and bitters, everything already balanced, ready to build.