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Casino

Wayfinder

A Casino is 40ml of Old Tom gin, 10ml of maraschino liqueur, 10ml of fresh lemon juice and two dashes of orange bitters, shaken hard for 10 to 12 seconds and double strained into a chilled coupe, with a lemon twist and a maraschino cherry. About 2.0 UK units. The measures are the IBA’s. There is no syrup. Old Tom is a lightly sweetened gin, and that sweetness, with the maraschino’s, is all the sugar the lemon has to meet. With a London Dry the drink turns sharp. Difford’s Guide traces the Casino to Jacob A. Didier’s 1909 book The Reminder, and says Hugo Ensslin printed an almost identical recipe in 1916, in the same book that gave the first published Aviation. The two drinks share gin, maraschino and lemon; the Aviation adds crème de violette and moves to dry gin.

ShakenHigh-ABVClassic

Ingredients

Serves
Old Tom Gin

40ml

Lightly sweetened gin at about 40% ABV. Its sweetness balances the lemon; a London Dry makes a sharper drink that needs a little syrup.

Maraschino Liqueur

10ml

Luxardo, the IBA’s named bottle, at about 32% ABV. Clear, with a cherry-stone almond edge, and sweeter than it tastes; not the syrup from a jar of cherries.

Fresh Lemon Juice

10ml

Squeezed the same day. A short measure for a sour, set against two sources of sugar.

Orange Bitters

2 dashes

Two dashes. They bring peel and a little bitterness that links the lemon to the maraschino.

Instructions

1

Chill a coupe.

2

Squeeze the lemon juice the same day.

3

Add the Old Tom gin, maraschino liqueur, lemon juice and orange bitters to a shaker.

4

Fill with cubed ice and shake hard for 10 to 12 seconds.

5

Double strain into the chilled coupe.

6

Express a lemon twist over the drink, drop it in and add a maraschino cherry.

Source: the IBA (Official IBA specification; served up in a chilled coupe where the IBA pours it over ice in a rocks glass). Last checked 10 October 2026.

Expert Tip

Use Old Tom, and taste it first. Its sweetness is the only sugar besides the maraschino, and bottles vary. If yours is on the dry side, a barspoon of sugar syrup brings the drink back. Measure the maraschino. At 10ml it reads as cherry and almond under the gin; at 20ml it takes over and the almond turns medicinal. Squeeze the lemon the same day. There is only 10ml of it, so a tired juice leaves the drink flat and sweet.

The story

Behind the Casino

Flavour Profile

CherryLemonOld TomBright

Didier, 1909, and Ensslin, 1916

Difford’s Guide traces the Casino to Jacob A. Didier’s 1909 book The Reminder. His measures are loose: one drink of Tom gin, two dashes each of lemon juice, maraschino and orange bitters. Difford’s says Hugo Ensslin, head bartender at the Hotel Wallick in New York, printed an almost identical recipe in his 1916 Recipes for Mixed Drinks, so it would appear that he copied Didier.

Ensslin’s book also holds the first published Aviation, as the Oxford Companion has it, and Difford’s calls his Casino essentially a stirred Aviation without crème de violette, with a lot more lemon juice.

Old Tom Carries the Sugar

Old Tom sits between genever and London Dry: similar botanicals to a dry gin, lightly sweetened. In the Casino that sweetness, with the maraschino’s, is all there is to balance 10ml of lemon. No syrup is added.

Swap in London Dry and the balance tips sour, with the maraschino’s almond note left on its own. A barspoon of sugar syrup fixes it, though the drink is then close to an Aviation without the violette.

Ten Millilitres of Maraschino

Maraschino is made from marasca cherries, stones included, and the stones give it a bitter almond edge. At 10ml it scents the drink more than it flavours it: you smell cherry and taste gin and lemon. Luxardo is the bottle the IBA names.

The Casino and the Aviation

The Casino as the IBA writes it, as we serve it, and our Aviation

Gin

Casino, IBA
40ml Old Tom
Casino, ours
40ml Old Tom
Aviation, ours
45ml London Dry

Maraschino

Casino, IBA
10ml Luxardo
Casino, ours
10ml
Aviation, ours
15ml

Lemon juice

Casino, IBA
10ml
Casino, ours
10ml, squeezed the same day
Aviation, ours
15ml

Other

Casino, IBA
Two dashes orange bitters
Casino, ours
Two dashes orange bitters
Aviation, ours
One bar spoon crème de violette

Serve

Casino, IBA
Over ice in a rocks glass
Casino, ours
Up in a chilled coupe
Aviation, ours
Up in a chilled coupe

Garnish

Casino, IBA
Lemon zest and a maraschino cherry
Casino, ours
Lemon twist and a maraschino cherry
Aviation, ours
Maraschino cherry

UK units

Casino, IBA
About 2.0
Casino, ours
About 2.0
Aviation, ours
About 2.4

How to Serve It

Up, very cold, before dinner. It is short, so make it just before it is drunk; served up it has nothing to keep it cold. The IBA’s rocks glass suits a slower drink.

For dry gin and violette, make an Aviation; for Old Tom with sweet vermouth and maraschino, a Martinez.

Make it

Make it at home

The Spirit

Old Tom Gin

Old Tom is gin with a little sugar added, counted at 40% ABV in our recipes, and rounder and softer than London Dry. The retained Regulation (EC) 110/2008 gives the name no definition: it is sold as gin, and because it is sweetened it cannot be labelled dry. Four of our recipes ask for it, the Tuxedo, the Turf Club, the Casino and the Ford Cocktail, where its sugar balances vermouth or lemon.

Learn more
Go further

More to explore

Frequently Asked Questions

What is in a Casino cocktail?

40ml of Old Tom gin, 10ml of maraschino liqueur, 10ml of fresh lemon juice and two dashes of orange bitters, shaken with ice. Those are the IBA’s measures. We serve it up in a chilled coupe with a lemon twist and a maraschino cherry.

How is a Casino different from an Aviation?

The Aviation uses London Dry gin, more maraschino and lemon, and a spoon of crème de violette for its pale violet colour. The Casino uses sweeter Old Tom gin, adds orange bitters and leaves out the violette, so it is drier on cherry and clearer in the glass.

Where does the Casino come from?

Difford’s Guide traces it to Jacob A. Didier’s The Reminder of 1909, which gives loose measures such as one drink of Tom gin and two dashes of lemon juice. Hugo Ensslin printed almost the same recipe in 1916, and Difford’s thinks he copied Didier.

Can I use London Dry gin?

Yes, with a barspoon of sugar syrup. Old Tom is lightly sweetened, and the Casino has no other syrup, so a dry gin leaves the lemon sharp and the maraschino exposed. The result is pleasant, but drier and thinner than the Old Tom version.

Up or on the rocks?

The IBA strains it over ice in a rocks glass. We serve it up in a chilled coupe, where it stays more concentrated and the maraschino’s scent sits at the rim. Over ice it softens as it melts. The measures are the same either way.

Why orange bitters?

Two dashes add orange peel and a light bitterness that link the lemon to the cherry-stone note of the maraschino. Angostura would add clove and darken the drink. Orange bitters were a common seasoning in gin drinks of the period.

How strong is a Casino?

About 2.0 UK units: 1.6 from 40ml of Old Tom gin at 40% ABV, 0.3 from 10ml of maraschino at 32%, and a trace from the bitters. UK units are ABV times millilitres divided by 1,000; the Chief Medical Officers’ guideline is no more than 14 units a week, spread over three or more days.

Sources.

Correct as of 19 October 2026.

  1. Difford’s Guide, “Casino Cocktail” (secondary source: first appeared in Jacob A. Didier’s 1909 The Reminder: Bartender’s Vest Pocket Guide (2 dashes Maraschino, 2 dashes orange bitters, 2 dashes lemon juice, 1 drink of Tom gin, stirred, cherry); Ensslin 1916 almost identical; “essentially a stirred Aviation without crème de violette but a lot more lemon juice”).
  2. The Oxford Companion to Spirits and Cocktails (David Wondrich), “The Aviation Cocktail” (secondary source: the original Aviation formula first appears in Ensslin’s 1916 Recipes for Mixed Drinks; Craddock’s version omitted the crème de violette).

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