CRUSTA

Joseph Santini, New Orleans, ~1850.

ROCKS GLASS
ETHANOL 22 G154 KCAL FROM ETHANOL3.17 OZ SERVED

SPEC

2 oz · 60 mlCOGNAC40 %
¼ oz · 8 mlMARASCHINO LIQUEUR32 %
¼ oz · 8 mlLEMON JUICE
½ barspoonsORANGE CURACAO40 %
2 dashesANGOSTURA BITTERS44 %

1 oz taken as 30 ml in the metric column.

METHOD

  1. 01RIM A ROCKS GLASS WITH SUGAR (DEEP, GENEROUS; 'CRUSTA' MEANS 'CRUST')
  2. 02LINE THE GLASS INTERIOR WITH A SPIRAL OF LEMON PEEL
  3. 03SHAKE ALL LIQUID INGREDIENTS WITH ICE
  4. 04DOUBLE-STRAIN INTO THE SUGARED, PEEL-LINED GLASS OVER FRESH ICE

1 oz taken as 30 ml in the metric column.

STRENGTH // WORKED

Pre-batch2.65 oz mixed with ice, 0.94 oz of it pure alcohol
MeltShaken: +20 % of the pre-batch, +0.53 oz of water
Served2.65 + 0.53 = 3.17 oz in the glass
Strength0.94 ÷ 3.17 = 29.6 % ABV as served
Ethanol0.94 oz × 29.57 ml × 0.789 g/ml = 22 g · about 154 kcal from the alcohol alone

IN THE GLASS

VANILLIN

FROM COGNAC · from oak barrel aging

Formula
C₈H₈O₃
Mass
152.15 g/mol
IUPAC
4-hydroxy-3-methoxybenzaldehyde

Bourbon's fingerprint, extracted from the charred American oak the law requires for aging. Same molecule as the vanilla bean's signature, so a well-aged bourbon legitimately tastes like vanilla. Chemistry, not metaphor. Cognac, aged rum, tequila reposado all extract vanillin from oak too. Different barrels, same molecule.

D-LIMONENE

FROM CURAÇAO + LEMON PEEL · citrus peel oil

Formula
C₁₀H₁₆
Mass
136.24 g/mol
IUPAC
(4R)-1-methyl-4-prop-1-en-2-ylcyclohexene

An orange rind, squeezed, throws a spray that catches the light. That's d-limonene boiling off. It's roughly 95% of orange peel oil by mass, and the molecule that puts the "orange" in orange anything. Used industrially as a green solvent because the chemistry that dissolves citrus oils also dissolves greasy machinery. The expressed-peel garnish on a cocktail is delivering vaporized limonene to the rim of the glass.

CITRAL

FROM LEMON · the lemon aroma

Formula
C₁₀H₁₆O
Mass
152.24 g/mol
IUPAC
(2E)-3,7-dimethylocta-2,6-dienal

Lemon's defining note: technically a mix of two geometric isomers (geranial and neral) that read as the same aroma to the nose. Lemon peel, lemongrass, lemon verbena, and Indian chai all carry it. In cocktails it's what a lemon twist contributes that lemon juice can't: the volatile expressed from the oil glands, not the acid from the pulp.

CHEMISTRY

Cognac, maraschino, lemon, orange curaçao and bitters. The 'crusta' is a format: a deep sugared rim and a spiral of citrus peel lining the glass. Joseph Santini's New Orleans invention is the ancestral form of the Margarita and the Sidecar.

PROVENANCE

Joseph Santini's Brandy Crusta is considered by most cocktail historians (David Wondrich foremost) to be the ancestor of the entire 'spirit + citrus + sugar + orange liqueur' family, including the Sidecar and the Margarita. The 'crusta' format (sugared rim, peel lining, served in a small wine glass) was Santini's invention. Jerry Thomas's 1862 Bartender's Guide printed the recipe; the Crusta nearly vanished post-Prohibition and was restored by Wondrich's 2007 Imbibe!

BRANDY // NEARBY