0.51 oz × 29.57 ml × 0.789 g/ml = 12 g · about 83 kcal from the alcohol alone
IN THE GLASS
SOTOLON
FROM AMONTILLADO · the nutty curry note from flor aging
Formula
C₆H₈O₃
Mass
128.13 g/mol
IUPAC
4-hydroxy-2,3-dimethyl-2H-furan-5-one
The nutty-curry-fenugreek aroma in vin jaune, fino sherry, and aged sake, formed by the flor yeast layer that grows on the wine's surface during biological aging. Detectable at parts per billion; a few milligrams per liter is the difference between a clean dry sherry and a deeply oxidized one. Maple syrup and aged rum carry trace amounts; concentrated sotolon is the molecule responsible for the "maple syrup urine" inherited metabolic disorder.
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.
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.
Amontillado, citrus, sugar and crushed ice. Nutty oxidative aromatics come from the Amontillado's aging after its flor dies back, with d-limonene and citral from the citrus oils. The American ice-and-straw culture of the 1850s meets Spanish fortified wine.
PROVENANCE
The Sherry Cobbler was the most popular American drink of the mid-19th century. Charles Dickens put one in Martin Chuzzlewit (1844), where Mark Tapley hands Martin one as an American marvel. The drink relied on two then-novel American innovations: industrial-scale ice harvesting (cobblers required crushed ice in significant volume) and the drinking straw (the dense ice required a sipping aid). The Sherry Cobbler nearly vanished during Prohibition; modern sherry-focused bartenders have led its revival since 2008.
