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refreshingsourherbal

Southside

Gin, lime and mint, shaken hard and strained up — a Prohibition-era cousin of the mojito with no soda to hide behind.

Difficulty
easy
Prep time
5 min
Strength
20% ABV
Glassware
Coupe glass
Base
gin
Serves
1

Ingredients

  • Gin
    50ml
  • Fresh lime juice
    20ml
  • Simple syrup
    15ml
  • Fresh mint leaves

    About 8–10 leaves, plus a sprig for garnish

    7ml

Garnish: Mint sprig

Scale for a party

Method

  1. Gently muddle the mint leaves in the bottom of a shaker to release their aroma without shredding them.
  2. Add gin, lime juice and simple syrup.
  3. Fill with ice and shake hard for 10–15 seconds.
  4. Double-strain into a chilled coupe glass to catch the mint fragments.
  5. Garnish with a fresh mint sprig, slapped between your hands first to release its aroma.

Equipment

Don't have everything? Here's what works instead.

  • Muddler

    Household swap: The handle end of a wooden spoon, pressed rather than pounded.

  • Fine strainer

    Household swap: A small kitchen tea strainer held over the glass to catch mint fragments.

Missing an ingredient?

Each swap below says what it changes and how to correct for it, so you can decide whether you are making this drink or a neighbouring one.

  • Instead of Simple Syrup

    Best substitute: Honey Syrup

    This is the sweet element in this drink.

    Flavour impact: Adds a floral, slightly earthy sweetness in place of simple syrup's neutral profile.

    What changes

    Expect more intensity. Still a good drink, and a slightly different one.

    Intensity ↑
    A more intensely flavoured ingredient will start to dominate the components around it.
    Character
    Both are sweet, and you lose neutral and smooth, and you gain floral, earthy and rich. Numbers can't see this: two ingredients can be identically sour and still smell nothing alike.

    To correct for it

    • Scale it back by a third and let the other ingredients hold their share.
    Moderate confidenceA reasonable swap that doesn't fundamentally change the drink's structure.Shifts the drink

  • Instead of Gin

    Best substitute: White Rum

    This is the base in this drink.

    Flavour impact: Moves the drink closer to a shaken, soda-free mojito, with a rounder, sweeter spirit base.

    What changes

    Expect more sweetness, less bitterness and less intensity. Still a good drink, and a slightly different one.

    Sweetness ↑
    The drink will land sweeter, which also makes it read as less sharp and slightly heavier even though nothing else changed.
    Bitterness ↓
    Losing bitterness makes the drink rounder and more approachable, and takes away the structure that stopped it tasting like squash.
    Intensity ↓
    A milder ingredient gets buried by whatever else is in the glass, and the drink loses the thing it was named for.
    Character
    you lose juniper-forward, botanical, dry and aromatic, and you gain clean, light, subtly sweet and sugarcane-forward. Numbers can't see this: two ingredients can be identically sour and still smell nothing alike.

    To correct for it

    • Cut the syrup or sugar back — start by halving it and taste before adding any back.
    • A dash of bitters restores some of the backbone without changing anything else.
    • Increase the measure, or accept a gentler drink and reduce the components competing with it.
    Moderate confidenceCommon home substitution given the drink's obvious kinship with the mojito.Shifts the drinkBecomes a variation

Make it better

  • Muddle gently — over-crushing mint releases chlorophyll and bitter compounds that dull the drink.
  • Fresh lime juice is essential; there's no soda water here to mask a flat or bottled substitute.
  • Chill the coupe glass beforehand so the drink stays cold as long as possible with no ice in the glass.
  • Shake hard for 12-15 seconds with plenty of ice — a proper shake chills and dilutes the drink in one step.

Rescue this drink

Bitter aftertaste
The mint was likely over-muddled — press gently next time, just until you can smell it lift.
Too sour
Add 5–10ml more simple syrup and re-shake briefly.
Mint fragments in the drink
Double-strain through a fine strainer as well as the shaker's built-in strainer.
Tastes weak
Shake for less time, or make sure the ice was fully frozen and solid before shaking.
Tastes thin, with no weight to itgeneral guidance
A short shaken drink with nothing rich in it depends on sugar and dilution for body. Try a slightly richer syrup — two parts sugar to one of water rather than equal parts — which adds weight without adding much more sweetness. Egg white or aquafaba does the same job more dramatically, and turns it into a sour.
You cannot smell itgeneral guidance
Most of a drink's aroma is on top of it, not in it. Slap the herb sprig once between your palms before it goes in; it bruises the surface oils without shredding the leaf. Aroma also fades fastest of anything in a drink, so garnish at the moment of serving rather than in advance.
Shaken too longgeneral guidance
Ten to fifteen seconds is a full shake. Beyond that the ice fractures and keeps diluting while you are still working, so the drink arrives cold, thin and slightly foamy when it should be sharp. Shake hard and briefly rather than gently and long — the two are not interchangeable.
Too stronggeneral guidance
Stir or shake for a little longer to add dilution, or add a splash of chilled water. This is a spirit-forward drink by design, so some strength is expected.
Too sweetgeneral guidance
Add a small amount of fresh citrus juice or a dash of bitters to bring the balance back — adjust gradually and taste as you go.
Served too warmgeneral guidance
Chill the glass, ice and every ingredient ahead of time — a warm pour is the fastest way to lose a cold drink's balance. For one serving, there's no real fix beyond rebuilding it properly chilled; for a batch, keep everything refrigerated until the moment of serving and add ice last.
Under-diluted (tastes harsh or too concentrated)general guidance
For one serving, stir in a few drops of chilled water to open it up. For a batch, extend the shake time slightly on the next round.
No muddlergeneral guidance
The handle end of a wooden spoon, pressed rather than pounded.

Make ahead & storage

Batch the base, finish at serving

Batch the 3 stable components days ahead and add fresh lime juice when you pour.

Add about 27% water to the batch to replace what the ice would otherwise contribute, or it will pour noticeably harsher than a fresh one.

Fresh lime juice:
Fresh citrus loses its aroma within hours and turns dull. Squeeze it on the day.

What it tastes like

The taste, and what drives it

off-dry, sharp, very light — a sour-structured drink served straight up, no ice.

Off-dry

Dry → Sweet

Sweetened enough to take the edge off without reading as a sweet drink.

What drives it: Simple syrup — carries the most sugar into the glass.

Sharp

Soft → Sharp

Properly sharp. This is the axis the drink is built on.

What drives it: Fresh lime juice — supplies the acidity.

Very light

Light → Rich

Almost weightless in the mouth — closer to a long soft drink than to a sipper.

What drives it: Gin — adds most of the weight.

Very bold

Delicate → Bold

Very bold — concentrated, and served small for that reason.

What drives it: Gin — is the most concentrated thing in the glass.

What you smell first

  • Citrus peelLeads

    From Gin, Fresh lime juice

  • Juniper and botanicalsLeads

    From Gin

  • MintLeadsBefore the first sip

    From Fresh mint leaves, Mint sprig

Aromas marked as sitting above the drink reach you before the first sip — skipping that garnish changes the drink more than its size suggests.

How it was worked out

Each reading comes from the recipe's own recorded taste scores combined with what each ingredient contributes, weighted by how much of it is in the glass. Almost everything in this drink has detailed ingredient data behind it.

How balance actually works →

If it isn't right

What goes wrong with this drink, and why

Only the faults this particular recipe is actually prone to — each with the likely cause, the adjustment, and what the adjustment costs you.

  • It's too sweet

    Likely cause
    Simple syrup is carrying the sugar here, and it is the easiest thing in the drink to over-pour — syrup clings to a jigger and a "splash" is rarely the same twice.
    What to change
    Cut simple syrup by about a third and rebuild. If it is already made, a squeeze of citrus is faster than starting again.
    What that does
    The drink will read sharper as well as less sweet, because the acid stops being balanced. That is usually the intention, but it is a bigger change than it sounds.

  • It's too sour

    Likely cause
    Fresh lime juice varies more than any other ingredient in the drink. Limes differ by weeks of ripeness, and a sharp one can be half again as acidic as a mild one at the same measure.
    What to change
    Add sweetener a few millilitres at a time rather than diluting — you are correcting a ratio, not a concentration.
    What that does
    Sourness recedes and the drink gains a little weight. Overshoot and you will be reading the too-sweet entry above instead.

  • It's too strong

    Likely cause
    Gin dominates by design here — this is a drink built to be sipped, and it is under-diluted more often than it is over-poured.
    What to change
    Shaking for longer, or add a measured 5–10ml of water. Both are the same correction; one is just more honest about it.
    What that does
    Alcohol heat drops and the aromatics open up — a slightly diluted spirit-forward drink usually smells better, not worse.

  • It's watery

    Likely cause
    Shaking adds water while it chills, and the two cannot be separated. Wet ice from a freezer door, or small cubes, will over-dilute before the drink is properly cold.
    What to change
    Use bigger, drier, colder ice and stop sooner. Chilling the glass first buys you time you would otherwise spend diluting.
    What that does
    More flavour concentration at the same temperature. Under-dilute instead and the drink will taste harsh — this is a target, not a direction.

  • It doesn't smell of anything

    Likely cause
    The aroma you are missing is probably mint, which sits above the drink rather than in it — skipping or under-expressing the garnish removes it entirely.
    What to change
    Express the peel over the surface with the skin facing the drink, then drop it in. Herbs go in the glass, not on the side.
    What that does
    Aroma arrives before flavour does, so the whole drink reads as more intense without a single measure changing. The oil does land in the drink, though — an over-expressed peel adds a faint bitterness to the first mouthful.

  • It tastes one-dimensional

    Likely cause
    With 4 components there is nowhere for complexity to hide — a sour-structured drink is exposed by design, so a dull one is usually a dull ingredient rather than a missing step.
    What to change
    Change the quality of what is there before adding anything new: fresh citrus rather than bottled, a better base bottle, a dash of bitters. Bitters add layers at a scale nothing else matches.
    What that does
    More going on at the same strength and sweetness. Adding a whole extra ingredient instead usually produces a muddier drink rather than a deeper one.

Taste profile

Sweetness
2/5
Sourness
3/5
Bitterness
0/5
Strength
4/5
Fruitiness
0/5
Freshness
5/5
Creaminess
0/5
Smokiness
0/5

Nutrition & alcohol

Estimate onlyBased on a standard 50ml gin pour; mint and exact syrup sweetness vary by pour.
Calories
155 kcal
Sugar
11 g
Carbohydrates
12 g
Alcohol units (UK)
2
US standard drinks
1.13
ABV
20%
Serving size
100 ml
Show calculation assumptions

Source: Calculated from standard measures

Calorie breakdown: ~110 kcal from alcohol, ~45 kcal from sugar and mixers.

Likely range: 116–194 kcal, reflecting the confidence level above — not a lab-measured figure.

Assumes gin at 40% ABV and standard citrus/shake dilution.

These figures are estimates, not laboratory measurements — individual tolerance to alcohol varies. See our responsible drinking guidance.

Variations

  • Southside Fizz

    Build over ice in a highball and top with soda water for a taller, lighter version.

  • Cucumber Southside

    Muddle two or three cucumber slices in with the mint for a cooler, more vegetal edge.

What kind of drink this is

The structure behind the recipe

A shaken build: a sour-structured gin-based drink, served straight up, no ice — light and lively in the mouth.

Sour-structured

Something sour and something sweet held in balance over a base — the structure behind the whole sour family and everything descended from it.

  • Base

    Gin

  • Sour element

    Fresh lime juice

  • Sweet element

    Simple syrup

  • Aromatic

    Fresh mint leaves

Drinks built this way are collected as the Sour family.

Technique

shaken

Ice is thrown against the liquid and against itself, chipping fragments off and driving air through the mix. Chilling, dilution and aeration all happen at once and cannot be separated.

A lighter, briefly frothy body and a cloudy appearance that settles as it stands. The aeration blunts alcoholic heat, which is why a shaken drink tastes softer than a stirred one of the same strength.

What it ruins: Clarity, and any carbonation. A shaken spirits-only drink arrives cloudy with ice shards floating in it, and shaking anything fizzy is the one rule with no exceptions.

Also involves muddling.

Everything about shaking →How the technique works →

Dilution

During mixing, then strained

Water from ice typically makes up around 30% of the finished drink for a shaken build (commonly 25–35%). Dilution is an ingredient here, not a side effect.

Why dilution is an ingredient →

Served

Straight up, no ice

Coupe glass · 100ml

Chilled during mixing and then strained away from the ice, so it arrives at its coldest and most concentrated and warms from the first sip — which is why 100ml is the right size for it.

Texture and aroma

Light and livelyMint sprigFresh mint leaves

Shaking whips air through the drink, giving a lighter, briefly frothy body that settles as it stands.

These components are doing aromatic work: you meet them at the nose before the first sip, and they shape how everything underneath reads.

Where to go from here

Each of these is here because of something specific about this drink, not as a standard set of links.

Where it comes from

Origin and family

Origin of the Southside

American in origin, with roots contested between a Chicago country club and a New York speakeasy in the 1910s–1920s.

Family

Sour

2 parts spirit · 1 part citrus · 1 part sweetener — shaken, strained, served up or over ice.

1800s–1919Other pre-prohibition drinks →

On drinks history

Cocktail origin stories are frequently repeated and rarely evidenced. Our history section separates what is documented from what is folklore rather than picking whichever version reads best.

History and culture →

Try this next

Use up your ingredients

Bought a bottle just for this? Here's what else it's good for.

Related tools

Scale this for a party

Work out bottles, mixers, ice and total alcohol units for any number of guests.

Recipe confidence

Ratio and technique are consistently documented across modern bartending references.

High confidence