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You do not need an espresso machine to make an espresso martini. Swap the hot shot for 1 oz of cold brew concentrate and shake it with vodka and coffee liqueur exactly like the classic. This is the build Jeffrey Morgenthaler runs at his bar, and he uses cold brew concentrate specifically because, in his words, they do not have an espresso machine. It works because a good concentrate is strong, cold, and already sweet-bitter in the same register as a pulled shot. The official spec for the drink still comes from the IBA espresso martini: 50 ml vodka, 30 ml coffee liqueur, 10 ml sugar syrup, and one strong shot of coffee. You are only replacing that last part.
Why cold brew concentrate works here
The espresso shot in a martini is not doing anything an espresso machine uniquely provides. It is contributing cold-tolerant coffee flavor, a little bitterness to balance the liqueur, and body. Espresso brings crema, which is where the famous foam cap partly comes from, but the bulk of that foam is actually built by hard shaking with ice, not by the crema itself. Cold brew concentrate covers the flavor and body cleanly, and a firm 15 second shake gives you the foam.
Morgenthaler's concentrate is a 1 pound coffee to 2 quart water steep, left 24 hours, then strained twice. That yields roughly 1 quart of concentrate strong enough to stand in for espresso ounce for ounce. If you buy concentrate instead of brewing it, check the label: bottles meant to be cut with water before drinking are in the right strength range, while ready-to-drink cold brew is too weak and will water down the drink. When in doubt, taste the concentrate straight. It should be intense and slightly unpleasant on its own, which is exactly what you want once the vodka and liqueur go in.
His per-drink spec drops the added sugar syrup that the IBA build uses, because the coffee liqueur already carries plenty of sweetness and concentrate is less sharp than a fresh shot. If you like a drier martini, start there. If you like the standard slightly sweeter profile, add a barspoon of simple syrup back in.
Classic build vs the no-machine build
| Ingredient | IBA classic (with espresso) | Morgenthaler no-machine |
|---|---|---|
| Vodka | 50 ml | 3/4 oz |
| Coffee liqueur | 30 ml | 3/4 oz |
| Coffee | 1 strong espresso shot | 1 oz cold brew concentrate |
| Sugar syrup | 10 ml | None |
| Extra | - | Lemon peel expressed, then discarded |
| Garnish | 3 coffee beans | 3 coffee beans |
Sources: the classic column is the IBA official recipe; the no-machine column is Jeffrey Morgenthaler's published espresso martini. Method for both is the same: combine everything in a shaker with ice, shake hard until the tin frosts, and double strain into a chilled coupe.
One note on ratios if you mix metric and ounces. The IBA build runs vodka heavier than the coffee liqueur, while Morgenthaler pours them equal at 3/4 oz each and leans on the concentrate for the coffee punch. Both are correct. Start with equal parts if you are new to it, then push the vodka up a touch once you know how strong you like it.
You do not need special gear beyond a shaker and a fine strainer. A basic cocktail shaker set covers it, and any coarse ground coffee plus a jar makes the concentrate.
The coffee in this drink is real caffeine, and how much depends entirely on how strong you brewed or bought your concentrate, so there is no single number for it. For context, the FDA cites 400mg of caffeine a day as an amount generally not associated with negative effects in healthy adults. How caffeine affects you depends on your own tolerance and health, so treat these numbers as information, not advice.
Dialing in? The Bench Series was designed for this exact workflow. Work through the Bench Series and keep the espresso dial-in cheat sheet open at the machine.
Related reading
- How to make espresso without a machine
- Bourbon coffee cocktail recipe
- Barista Life caffeine database
FAQ
Can I use regular brewed coffee instead of cold brew concentrate? You can, but it is weaker and hotter, so the drink comes out thin and watery once it hits the ice. If regular coffee is all you have, brew it double strength, chill it fully first, and expect a lighter result than concentrate gives.
Do I still need sugar syrup? Not necessarily. Morgenthaler's no-machine build skips it because the coffee liqueur is already sweet and cold brew is less bitter than a fresh shot. Add a barspoon of simple syrup only if you taste it and want it sweeter.
Where does the foam come from without espresso crema? Mostly from shaking. A hard 15 second shake with plenty of ice whips air into the drink and builds the cap. Fresh, oily coffee and concentrate both help, but the shake is what makes the foam.