Espresso martini

Espresso Martinis On Tap: The Batch Recipe and Kit

Shake one espresso martini and you’re a bartender for the rest of the night. Batch them in a mini keg, foam them with nitro gas and pour a café-style crema at the push of a button.

Shop the Espresso Martini KitGet the batch recipe
  • About 39 martinis from the kit
  • Creamy foam, no shaking
  • Cold for 10+ hours
  • 8,200+ reviews

Three ways to pour espresso martinis

Espresso Martini Kit | 2.0 Mini Keg Bundle
$399

The complete kit: keg, tap, gas, two bottles of Boston Black coffee concentrate, Wonderfoam and an ice tray. Add vodka and coffee liqueur and you’re pouring.

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Espresso Martini Kit | Budget
$329

The same keg system for less. Includes the coffee concentrate and 20 gas bulbs — bring your own foam stabiliser if you want an extra-thick head.

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The N2Go | Instant Nitro Coffee & Cocktail Maker
$189

One or two at a time. The N2Go foams a single serve with a nitro bulb — ideal for a nightcap rather than a party.

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Espresso martini kegs and essentials

Why espresso martinis suit a keg

Foam on every pour

Nitrous oxide or pure nitrogen whips the mix as it pours, so every glass gets a thick crema without a shaker.

Batch once, pour all night

Mix a keg before guests arrive and spend the night with them instead of behind the bench.

Consistent every time

The first martini and the twentieth taste the same, because the recipe went in once.

Ice-cold without ice

Double-wall insulated kegs keep the mix cold for 10+ hours, so it doesn’t water down.

Buying guide

Our batch espresso martini recipe

This is the 2-litre recipe from the iKegger Cocktail Recipe Book. It fills one 2L keg; double it for a 4L or 5L keg.

Ingredients (2L keg)

  • 500ml vodka
  • 500ml coffee liqueur (Kahlúa or similar)
  • 700ml cold brew coffee concentrate or chilled espresso
  • One tray of keg-sized ice cubes, for dilution
  • 30ml Cointreau or amaretto (optional)
  • 3–6 drops of Wonderfoam

Method

  1. Chill everything first. Cold liquid holds gas better and foams more.
  2. Pour everything into the keg, fit the tap and regulator, and gas with nitrous oxide at 45 psi.
  3. Shake the keg, pour a tester, then drop the regulator to about 20 psi to serve.
  4. Rest the keg in the fridge for a few hours before the party for the best foam.

Nitrous oxide or nitrogen?

Both work. Nitrous oxide (N₂O) foams fastest. After a lot of testing we lean towards pure nitrogen (N₂) for espresso martinis, because the high alcohol content can flatten an N₂O foam quickly; nitrogen absorbs more slowly and holds its head.

Espresso martini without Kahlúa

Swap the coffee liqueur for a 50/50 mix of extra cold brew concentrate and sugar syrup, then add a splash of vanilla. Taste a test batch before scaling up.

Making a mocktail version

Replace the spirits with more cold brew concentrate and a little sugar syrup. The nitro foam does the rest, so non-drinkers get the same velvet pour.

Please enjoy alcohol responsibly. Kegs ship empty and we don’t sell alcohol.

Questions

Frequently asked

How many espresso martinis are in a keg?

The Espresso Martini Kit includes enough coffee and gas for your first two kegs — about 39 martinis. A 2L batch pours roughly 15–20, depending on glass size.

Do I need to shake an espresso martini from a keg?

No. The gas creates the foam as it pours. Give the keg a shake after gassing, then just push the button.

What coffee is best?

A cold brew concentrate made for cocktails, such as Boston Black, gives a strong, smooth coffee hit without bitterness. Freshly pulled espresso works too, but chill it first.

How long does the mix keep in the keg?

Kept cold, a batch is best within a few days. Coffee flavour is freshest on the first day or two.

Pour the perfect espresso martini, every time

Pick up the kit, add your vodka and coffee liqueur, and let the keg do the shaking.

Shop the Espresso Martini Kit

Let customers speak for us

from 8608 reviews

This extra bit is a remarkable addition to what’s already an Amazing toy. Thanks yall‼️🙏

Shane
Adapter | Mini Regulator to Soda Stream | AU & NZ

Very prompt service - delivered in no time!

Jerome
iKegger Australia

Brilliant! The bundle is great quality and, I think, excellent value. Fits perfectly in my fridge, which is just what I was after.

Jerome
Mini Keg System 2.0 | "Any Drink" Bundle

Very easy to use lovely result

Amanda Bluett
The N2Go | Instant Nitro Coffee & Cocktail Maker

Great experience with shopping with you, item came very fast. Good to see the other items i could get.

Russell Jones
iKegger Australia

Excellant very quick delivery

Garry Henderson
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Great glass

Garry Henderson
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Great stuff just a learning curve for me

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Great kit

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Goes together easily and works well. Save the hassle of changing gas.

Zacc Smith
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The product was very good and delivered very fast overall very happy with the product and service

John Turner
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Perfect size keg to fit into my Beer Mate dispenser! Spare parts have been obsolete for many years now so really happy to find a keg that suits. Quality stainless steel, cute portable size, great price and fast shipping.

Katrina Cornell
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Nothing beats coming to the beach with a 4L Aperol spritz ready to drink. 2 more tours to the beach in Barcelona and the payback is completed 😁

Jorge Maytorena
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Great quality product also easy ordering and delivery, initially bought one 5L insulated keg but it looked lonely in my fridge so had to buy another, currently sampling the delights of draft beer at home from some of my local Margaret River breweries watching the World Cup, life is good😀⚽️🍺

Alan McIntosh
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