DIRTY MARTINI

Waldorf-Astoria, New York, ~1901.

MARTINI GLASS
ETHANOL 24 G171 KCAL FROM ETHANOL3.74 OZ SERVED

SPEC

2½ oz · 75 mlGIN40 %
¼ oz · 8 mlDRY VERMOUTH18 %
½ oz · 15 mlOLIVE BRINE

1 oz taken as 30 ml in the metric column.

METHOD

  1. 01STIR GIN + VERMOUTH + OLIVE BRINE WITH ICE
  2. 02STRAIN INTO A CHILLED MARTINI GLASS
  3. 03GARNISH WITH 2-3 OLIVES

1 oz taken as 30 ml in the metric column.

STRENGTH // WORKED

Pre-batch3.25 oz mixed with ice, 1.04 oz of it pure alcohol
MeltStirred: +15 % of the pre-batch, +0.49 oz of water
Served3.25 + 0.49 = 3.74 oz in the glass
Strength1.04 ÷ 3.74 = 28.0 % ABV as served
Ethanol1.04 oz × 29.57 ml × 0.789 g/ml = 24 g · about 171 kcal from the alcohol alone

IN THE GLASS

α-PINENE

FROM GIN

Formula
C₁₀H₁₆
Mass
136.24 g/mol
IUPAC
2,6,6-trimethylbicyclo[3.1.1]hept-2-ene

The pine note in juniper berries, and the reason gin tastes like a forest. Co-distilled with the spirit during production. Found in actual pine trees, rosemary, basil, and a good London Dry. The "Christmas tree" smell of gin and the smell of a forest floor share a single molecule.

GENTIOPICROSIDE

FROM VERMOUTH

Formula
C₁₆H₂₀O₉
Mass
356.33 g/mol
IUPAC
(3S,4R)-4-ethenyl-3-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4,6-dihydro-3H-pyrano[3,4-c]pyran-8-one

The bitter from gentian root, used across Campari, Aperol, sweet vermouth, Angostura, and most amari. Bitter compounds activate TAS2R taste receptors that evolved to detect plant alkaloids. The same machinery that makes broccoli taste bad to children also makes a Negroni taste like an adult ordered it.

CHEMISTRY

Gin, dry vermouth and olive brine. It is the Martini with olive brine added: salt and olive phenolics (hydroxytyrosol) read as the 'dirt.' The brine increases perceived viscosity and adds umami beneath the gin's alpha-pinene.

PROVENANCE

Credited to John O'Connor, who muddled olives into a Martini at the Waldorf-Astoria in New York in 1901; brine came later. The 'dirty' refers to the visible cloudiness from the olive brine. President Franklin D. Roosevelt was reportedly a Dirty Martini drinker; he served them at his 'Children's Hour' cocktail-time gatherings at the White House. The drink fell out of fashion through the 1970s-80s as the Martini lost its cocktail-bar centrality; now mostly a service-bar pour rather than a serious craft option.

GIN // NEARBY