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herbalsourrefreshing

Gin Basil Smash

Gin, lemon and a fistful of basil, muddled and shaken hard — a modern classic built entirely on fresh herb aroma.

Difficulty
medium
Prep time
6 min
Strength
16% ABV
Glassware
Rocks glass
Base
gin
Serves
1

Ingredients

  • Gin
    60ml
  • Fresh lemon juice
    30ml
  • Simple syrup
    20ml
  • Fresh basil leaves

    About a large handful — 15–20 leaves, plus a leaf or sprig for garnish

    14ml

Garnish: Basil leaf

Scale for a party

Method

  1. Add the basil leaves and simple syrup to a shaker and muddle firmly — harder than you would for mint — to fully break down the leaves.
  2. Add gin and lemon juice.
  3. Fill with ice and shake hard for 10–15 seconds.
  4. Double-strain over fresh ice into a rocks glass to catch the basil fragments.
  5. Garnish with a fresh basil leaf, slapped 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 firmly to fully break down the basil.

  • Fine strainer

    Household swap: A small kitchen tea strainer held over the glass to catch basil 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 Basil

    Best substitute: Mint

    This is the aromatic in this drink.

    Flavour impact: Produces a cooler, more familiar herbal profile closer to a Southside than the original's peppery basil note.

    What changes

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

    Bitterness ↓
    Losing bitterness makes the drink rounder and more approachable, and takes away the structure that stopped it tasting like squash.
    Character
    Both are aromatic, fresh and herbal, and you lose peppery, and you gain cooling. Numbers can't see this: two ingredients can be identically sour and still smell nothing alike.

    To correct for it

    • A dash of bitters restores some of the backbone without changing anything else.
    Moderate confidenceA reasonable substitution if basil isn't available, though it changes the drink's defining character.Shifts the drinkBecomes a variation

  • Instead of Simple Syrup

    Best substitute: Honey Syrup

    This is the sweet element in this drink.

    Flavour impact: Adds a floral, rounder sweetness that pairs well with basil's pepperiness.

    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 workable swap that doesn't change the drink's overall style.Shifts the drink

Make it better

  • Muddle the basil more assertively than mint — you want it fully broken down to extract maximum aroma, not just bruised.
  • Use a full-bodied, juniper-forward gin; a very delicate gin can get lost against the basil.
  • Double-strain carefully — basil leaves fragment more than mint and will cloud the drink if not caught.
  • Use freshly squeezed citrus juice rather than bottled — the aromatic oils fade fast once juiced, so squeeze just before making the drink.
  • Use one large ice cube rather than several small ones — it dilutes more slowly and keeps the drink from turning watery.

Rescue this drink

Basil flavour is faint
Muddle harder and longer — basil needs more force than mint to release its oils fully.
Drink looks murky with leaf fragments
Double-strain through a fine strainer in addition to the shaker's built-in strainer.
Too sour
Add 5–10ml more simple syrup and re-shake briefly.
Tastes grassy or bitter
Use younger, fresher basil leaves — older or bruised leaves turn more bitter when muddled.
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.
No muddlergeneral guidance
The handle end of a wooden spoon, pressed firmly to fully break down the basil.
No cocktail strainergeneral guidance
A small kitchen tea strainer held over the glass to catch basil fragments.

Make ahead & storage

Batch the base, finish at serving

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

Fresh lemon 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 over 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 lemon 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 lemon juice

  • Juniper and botanicalsLeads

    From Gin

  • Fresh herbLeadsBefore the first sip

    From Fresh basil leaves, Basil leaf

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.

The herbs can be muddled too far

Degrades it

Pressing releases aromatic oil; shredding releases chlorophyll, which is bitter and grassy. The second is not a stronger version of the first — it is a different flavour.

How to handle it: Press two or three times and stop. If the leaves have gone black and the drink smells of cut grass, it has gone past it.

  • 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 lemon 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
    Muddling 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 doesn't smell of anything

    Likely cause
    The aroma you are missing is probably fresh herb, 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 60ml gin pour with a full 20ml syrup measure; basil adds negligible calories.
Calories
193 kcal
Sugar
15 g
Carbohydrates
16 g
Alcohol units (UK)
2.4
US standard drinks
1.35
ABV
16%
Serving size
150 ml
Show calculation assumptions

Source: Calculated from standard measures

Calorie breakdown: ~133 kcal from alcohol, ~60 kcal from sugar and mixers.

Likely range: 145–241 kcal, reflecting the confidence level above — not a lab-measured figure.

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

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

Variations

  • Vodka Basil Smash

    Replace the gin with vodka for a more neutral spirit base that lets the basil lead even more.

  • Strawberry Basil Smash

    Muddle two or three strawberries in with the basil for a fruitier, sweeter variation.

What kind of drink this is

The structure behind the recipe

A muddled build: a sour-structured gin-based drink, served over ice — clean 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 lemon juice

  • Sweet element

    Simple syrup

  • Aromatic

    Fresh basil leaves

Drinks built this way are collected as the Smash family.

Technique

muddled

Pressure ruptures cell walls in fruit or herbs, releasing juice and volatile oils directly into the drink.

Fresh, green, immediate aroma that no syrup or liqueur reproduces, because it has not been heated or preserved.

What it ruins: Herbs, if you keep going. Mint bruised gently gives oil; mint shredded gives chlorophyll, which is bitter and grassy. This is the technique most often overdone.

Everything about muddling →How the technique works →

Dilution

During mixing, then strained

Water from ice typically makes up around 20% of the finished drink for a muddled build (commonly 15–25%). Dilution is an ingredient here, not a side effect.

Why dilution is an ingredient →

Served

Over ice

Rocks glass · 150ml

Served on ice, so it keeps chilling in the glass. A larger, colder, slower drink than the same spirits served straight up.

Texture and aroma

CleanBasil leafFresh basil leaves

Nothing here thickens or aerates the drink — it is as light in the mouth as the liquid itself.

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 Gin Basil Smash

German in origin, created by bartender Jörg Meyer at the Le Lion bar in Hamburg in 2008.

Recent enough to be documented as it happened: Meyer published the recipe himself in 2008 and the date is not in dispute.

Family

Smash

Spirit · muddled fruit or herb · sweetener · optional citrus — served over crushed ice.

1980 onwardOther modern classics 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 →

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Related tools

Scale this for a party

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

Recipe confidence

A modern cocktail with a clear, well-documented single origin, though ratios vary slightly bar to bar.

Moderate confidence