← Back to The Log
Cocktails & drinks

Best Sugar for Cocktail Rims: Caster, Demerara and Flavoured Sugar Compared

Best Sugar for Cocktail Rims: Caster, Demerara and Flavoured Sugar Compared

Short answer: caster sugar sticks best and gives the neatest edge, demerara gives the most crunch but needs help to stay put, icing sugar is the wrong tool, and a good flavoured sugar does the work of the sugar and the garnish in one go. Here is how to choose for whatever is in your glass.

What makes a sugar good for a cocktail rim

Three things matter. Grain size decides how well the sugar grips a wet glass. Moisture decides whether it stays loose on the plate or turns into clumps. Flavour decides whether the rim adds something to the drink or just sits there looking nice.

Fine and medium grains touch more of the wet rim, so they cling better and give an even edge. Big crystals look dramatic and crunch well, but each one has less contact with the glass, so they slide off more easily.

Sugar types compared

Sugar Grain How it behaves on a rim Best for
Caster Fine Sticks well, tidy edge Everyday rims and delicate drinks
Granulated white Medium Sticks reasonably, a little more crunch Margaritas, Lemon Drops, big batches
Demerara Coarse, golden Needs a stickier wetting agent Old Fashioneds, rum drinks, autumn cocktails
Muscovado Fine but moist Clumps if the rim is too wet Coffee and chocolate drinks
Icing sugar Powder Dissolves on contact and goes pasty Dusting a finished drink, not rimming
Flavoured sugar Depends on the base Behaves like its base sugar Any drink the flavour suits

Match the wetting agent to the sugar

The sugar only sticks where the glass is damp, so what you use to dampen it matters. A citrus wedge works for fine and medium sugars and suits tart drinks. Plain water is neutral and fine for caster sugar. For coarse crystals like demerara, go stickier: a thin film of simple syrup, honey or agave gives the big grains something to hold on to. If your rim keeps failing, our guide to why a sugar rim will not stick walks through every cause.

Where flavoured sugar fits

Rimming with flavoured sugar means you skip the step of making your own rim mix, and the rim actually tastes of something. A few notes on the three in our range:

  • Dirty Vanilla is built on golden demerara, so it is a coarser crystal. Use a sticky wetting agent, or crush it lightly with the back of a spoon for a finer edge.
  • Juicy Strawberry is bright and tart, made with freeze dried fruit and malic acid. It suits tequila, gin, vodka and anything sparkling.
  • Midnight Mocha sits on a light muscovado base, which is naturally softer and moister than granulated sugar. Use a light hand with the wetting agent and keep it for coffee and chocolate drinks.

Making a pouch go further

Mix flavoured sugar half and half with caster sugar for a finer, more even rim that also costs less per glass. Leftover sugar on the plate has picked up moisture from damp glass rims, so tip it into your morning coffee rather than back into the pouch.

Quick picks

  • Espresso Martini: Midnight Mocha or Dirty Vanilla
  • Strawberry Daiquiri or Margarita: Juicy Strawberry
  • Old Fashioned: Dirty Vanilla on the outside edge only
  • Classic Lemon Drop: caster sugar, or Juicy Strawberry for a pink twist

Cocktail rim sugar FAQ

Can I use icing sugar to rim a glass?

You can, but it dissolves the moment it touches the wet rim and turns pasty. Use caster or granulated for a clean edge.

Do I need special rimming sugar?

No. Any dry sugar works if the grain suits the wetting agent. Flavoured sugar simply adds a flavour that plain sugar cannot.

Can I use brown sugar?

Yes. Soft brown and demerara both work, but they are moister or coarser than white sugar, so adjust how much you wet the rim.

Ready to try it? Start with a single pouch, or get The Full Set and rim your way through all three. For the step by step method, see how to rim a cocktail glass with flavoured sugar, and for the bigger picture read our bartender's guide to flavoured sugar.