The Perfect Moscow Mule with GingerBros

The Moscow Mule is one of the simplest cocktails in the canon, vodka, lime, ginger, which is exactly why the quality of each part matters so much. There is nowhere to hide. A great Mule lives or dies on its ginger, and our naturally fermented brew brings a depth of flavour that mass-market ginger sodas simply cannot match. Most commercial mules lean on sweet, one-note ginger beer; ours leans on a living, lightly tart fizz that lets the lime and vodka breathe.

A little history

The Moscow Mule was invented in the early 1940s in Los Angeles, reportedly a three-way collaboration between a vodka distributor struggling to sell an then-unfamiliar spirit, a bar owner sitting on a surplus of unsold ginger beer, and an acquaintance who happened to have a line of copper mugs. The story is part myth, but the result is history: the drink single-handedly helped popularise vodka in mid-century America. The copper mug began as a marketing flourish, and it stuck, because it genuinely keeps the drink colder.

Ingredients

• 60ml vodka
• 15ml fresh lime juice (always fresh, bottled lime tastes flat and slightly bitter)
• 120ml GingerBros Ginger Fizz, well chilled
• Lime wedge and a sprig of mint for garnish

Instructions

• Fill a copper mug (or a highball glass) to the brim with ice, more ice actually melts slower, keeping the drink colder and less diluted.
• Add the vodka and fresh lime juice.
• Top slowly with GingerBros so the natural carbonation holds.
• Stir once, gently, and garnish with a lime wedge and a sprig of mint that you have clapped between your palms to release its aroma.

Why the copper mug actually matters

Copper is an excellent conductor of heat, so the mug rapidly takes on the icy temperature of the drink and holds it. That frosty exterior is not just for the photo, a colder drink tastes crisper, the carbonation feels sharper, and the ginger's heat reads cleaner against the cold. If you do not own copper mugs, a chilled highball works; just keep the glass in the freezer beforehand.

Choosing your vodka

Because vodka is meant to be neutral, people assume it does not matter here, but it does, subtly. A clean, well-made vodka lets the ginger and lime shine; a harsh one adds an alcoholic burn that fights the ginger. You do not need anything expensive, just something smooth. The drink is the star, not the spirit.

Why our fizz works so well

The natural fermentation gives our ginger fizz a subtle funk and complexity that sets this classic apart. Because our brew is less sweet than standard ginger beer, you taste the ginger heat and the citrus rather than syrup, the difference between a Mule that refreshes and one that cloys.

Make it your own

• Mexican Mule, swap vodka for mezcal for a smoky backbone.
• Kentucky Mule, use bourbon; the vanilla-oak notes love ginger.
• Spicy Mule, muddle a slice of fresh chilli or add 10ml fresh ginger syrup for extra fire.
• Zero-proof Mule, skip the spirit, add a splash of soda and a dash of aromatic bitters for depth.

Common mistakes to avoid

• Using bottled lime juice, it tastes dull and flat; fresh is non-negotiable.
• Skimping on ice, too little ice melts faster and waters the drink down.
• Stirring too hard, you will knock the natural carbonation out of the fizz.

Pro tip: build the drink in this order, ice, spirit, lime, then fizz last, so the carbonation goes in at the end and stays lively all the way to the bottom of the mug.