0.68 oz × 29.57 ml × 0.789 g/ml = 16 g · about 111 kcal from the alcohol alone
IN THE GLASS
FURFURAL
FROM VODKA GRAIN TRACE · the toasted/caramel note
Formula
C₅H₄O₂
Mass
96.08 g/mol
IUPAC
furan-2-carbaldehyde
The toasted-almond / caramel note in aged port, madeira, and amontillado sherry, formed when sugars in the wine slowly oxidize during long oxidative cask aging. Also in roasted coffee, baked bread, and any food that's been browned through Maillard chemistry. The deeper the toast on a bourbon barrel, the more furfural extracts into the spirit; the longer the madeira sits in the estufa, the more accumulates.
The grape-candy / Welch's-grape-juice aroma. Concord grapes carry it in concentrations no European wine grape (Vitis vinifera) approaches; American Vitis labrusca grapes, native to the northeastern US, hold methyl anthranilate as a signature. The "foxy" note in North American grape juice and artificial grape candy both come from the same molecule. Also used as the standard bird repellent on commercial fruit crops; birds find it intolerable.
The acid that puts the bite in green apples, unripe stone fruit, and rhubarb. Wine carries it from the grape, but most reds lose it during malolactic fermentation, where bacteria convert the sharp malic into the rounder lactic, swapping "tart" for "creamy." Whites that skip MLF (most Sauvignon Blanc, most Riesling) keep the malic edge as part of their crisp identity.
Vodka, Chambord and pineapple. The hard shake with pineapple juice produces a natural foam (bromelain-denatured protein) without egg white. Chambord's black raspberry delivers the color and the fruit-floral backbone.
PROVENANCE
Dale DeGroff is credited with putting the French Martini on the menu at Keith McNally's Pravda in New York in 1996. The 1990s 'martini boom' saw bartenders applying the martini glass to every conceivable sweetened spirit; the French Martini was the era's biggest hit. The 'French' refers to Chambord, the French black raspberry liqueur (launched in 1982, its story borrowed from Louis XIV's court). The recipe is genuinely well-formed despite the era's reputation for excess; it has stayed on craft menus.