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Irish Coffee Recipe

Irish coffee in a glass mug with cream floating on top

Irish coffee is simpler than it looks. Hot strong coffee, Irish whiskey, a little brown sugar, and cold cream floated on top so the coffee passes through it as you drink. The cream is the trick — it needs to be just thick enough to sit on the coffee without mixing in. Get that right, and everything else is easy.

Below is the classic recipe, the exact cream technique (most guides get this wrong), and a few variations including the Baileys version.



What Is an Irish Coffee?

An Irish coffee is a hot cocktail made with Irish whiskey, hot coffee, brown sugar, and a layer of lightly whipped cream floated on the surface. You drink it through the cold cream — that temperature contrast, and the way the cream mellows the coffee, is the whole point of the drink.

It was invented in 1943 by Joe Sheridan, a chef at Foynes Airport in Ireland, to warm up passengers on a transatlantic flight that turned back due to bad weather. It became famous in the US after travel writer Stanton Delaplane brought the recipe back to San Francisco’s Buena Vista Cafe in 1952. The Buena Vista now serves around 2,000 Irish coffees per day and is still considered the gold standard for the drink.


Irish Coffee Ingredients

  • 150ml (5 oz) of fresh hot coffee — brewed strong; a pour-over or French press at standard strength works well
  • 45ml (1.5 oz) Irish whiskey — Jameson is the classic; see whiskey notes below
  • 1–2 teaspoons brown sugar — light or dark brown sugar, not white
  • 60ml (2 oz) cold heavy cream — not whipped from a can; needs to be fresh
  • A warm glass — an Irish coffee glass or any heatproof glass with a stem

Coffee strength matters. Weak coffee gets overwhelmed by the whiskey and sugar. Brew slightly stronger than usual — a 1:14 ratio (e.g. 30g coffee to 420ml water in a pour-over) gives the right backbone. Don’t use cold brew concentrate — the temperature of fresh hot coffee is part of what helps dissolve the sugar and float the cream.


How to Make an Irish Coffee (Classic Recipe)

  1. Warm your glass. Fill it with hot water and let it sit for 30 seconds, then empty. This prevents the coffee from cooling too fast.
  2. Add 1–2 teaspoons of brown sugar to the warm glass.
  3. Pour in the Irish whiskey (45ml) and stir briefly.
  4. Pour in the hot coffee and stir until the sugar is completely dissolved. The glass should be about 80% full.
  5. Float the cream on top. Pour it slowly over the back of a spoon held just above the surface of the coffee. The goal is a smooth layer ~1cm thick that sits on the coffee without sinking in.
  6. Do not stir. Serve immediately and drink it as-is — through the cream.

How to Float Cream on Irish Coffee (The Technique)

The cream layer is the defining feature of an Irish coffee, and it’s where most home attempts fail. The key is the consistency of the cream:

  • Use fresh heavy cream (double cream), not pre-whipped or aerosol cream. Canned whipped cream sinks and dissolves. You need fresh cream that you’ve lightly whipped yourself.
  • Whip it only slightly — 20–30 seconds with a hand whisk. You want it thickened but still pourable. If it forms stiff peaks, it’s over-whipped and will sit in a lump rather than float smoothly.
  • Pour over the back of a spoon. Hold a dessert spoon face-down, touching the inside of the glass just above the coffee surface. Pour the cream slowly over the spoon — it distributes the pour and reduces the impact force that would break the surface.
  • The coffee temperature matters. Very hot coffee (just brewed) floats cream better than lukewarm coffee. The temperature differential creates a density barrier that holds the cream up.
  • If the cream sinks, the coffee wasn’t hot enough or the cream was too thin. Next time, pre-warm the glass better and whip the cream a little longer.
Irish coffee with cream floating on top in a glass mug
Irish coffee in a glass mug with a layer of cream floating on top of the whiskey coffee

Which Irish Whiskey to Use

The whiskey is the most personal choice in the recipe. Here’s how the main options compare:

WhiskeyFlavour profileBest for
JamesonLight, smooth, slightly sweet with vanilla and grain notesClassic, approachable Irish coffee — the standard choice
Tullamore D.E.W.Slightly spicier than Jameson, more herbalIf you want a more complex flavour without sweetness
Bushmills OriginalLighter and softer, malt-forwardA subtler whiskey flavour that doesn’t fight the coffee
SlaneRich caramel and toasted oakA sweeter option that reduces the need for extra sugar
Writers’ TearsHoney and vanilla, pot still characterPremium version — noticeable even under the cream

Avoid heavily peated Scotch whisky (it clashes with coffee) or bourbon (too sweet and dominant). The drink is called Irish coffee for a reason — the lighter, smoother character of Irish whiskey is part of the balance.


Irish Coffee Variations

Baileys Irish Coffee

Replace the whiskey and cream with Baileys Irish Cream. Use 60ml of Baileys poured directly into the hot sweetened coffee — no whiskey. Instead of floating cream on top, add a small dollop of whipped cream as a garnish. The result is sweeter and creamier than the classic, closer to a dessert drink. Skip the brown sugar since Baileys is already sweet.

Iced Irish Coffee

Make the classic recipe, let it cool for 5 minutes, then pour over a glass filled with ice. The whiskey and sugar stay in; pour the cream over the top as a float or stir it in for a creamier, more uniform drink. For stronger flavour without dilution, use cold brew coffee concentrate (2:1 ratio) instead of hot coffee — it’s smoother and less bitter over ice.

Decaf Irish Coffee

Use a good decaf for a late-night version. The flavour profile is the same — decaf doesn’t affect the whiskey-sugar balance at all. Brew the decaf strong (same ratio as the classic) and follow the exact same method.


Irish Coffee Calories

IngredientApprox. calories
Irish whiskey (45ml)~100 kcal
Brown sugar (2 tsp)~32 kcal
Coffee (150ml)~5 kcal
Heavy cream (60ml)~100–120 kcal
Total~235–260 kcal

The cream is the biggest calorie contributor. Using a smaller cream float (30ml) cuts the drink to roughly 175 kcal without changing the experience much. Omitting the sugar saves another 30 kcal.


Want more coffee cocktail recipes? See how to make an espresso martini — the cold counterpart to Irish coffee, with a similar espresso + spirit combination but served over ice in a shaken-foam style.


Watch: The Buena Vista Irish Coffee

Source: Master Your Glass on YouTube.

Frequently Asked Questions

What is Irish coffee made of?

Irish coffee contains hot strong coffee, Irish whiskey, brown sugar, and a layer of lightly whipped cream floated on top. The classic Buena Vista recipe uses Tullamore D.E.W. whiskey, though Jameson is the most common home choice. You drink it through the cream without stirring.

What kind of cream do you use for Irish coffee?

Fresh heavy cream (double cream in the UK), very lightly whipped — 20–30 seconds with a hand whisk until it thickens but is still pourable. Canned whipped cream sinks and dissolves. Pre-whipped cream in a tub is too thick and sits in a lump rather than floating smoothly.

How do you float cream on Irish coffee?

Pour very lightly whipped fresh heavy cream over the back of a dessert spoon held just above the coffee surface. The spoon slows and distributes the pour so the cream doesn’t break through the coffee surface. Pour slowly until you have a 1cm layer. Don’t stir — drink it through the cream.

Can I use Scotch whisky instead of Irish whiskey?

You can, but the flavour profile changes significantly. Heavily peated Scotch (Islay malts) clashes badly with coffee — the smoke fights the bitterness. A lighter Highlands or Speyside Scotch (Glenfiddich, Glenlivet) works reasonably well, but the drink loses the characteristic smoothness that makes Irish whiskey the classic choice.

Why is my cream sinking in Irish coffee?

Three common causes: the cream isn’t thick enough (whip it a little more, but stop before stiff peaks), the coffee wasn’t hot enough when you poured (the temperature difference helps the cream float), or you poured the cream in too quickly without using a spoon to cushion the impact. Make sure to pre-warm your glass so the coffee stays hot.

Does Irish coffee have a lot of caffeine?

A standard Irish coffee made with 150ml of coffee has roughly 80–120mg of caffeine, similar to a regular mug of filter coffee. The whiskey doesn’t change the caffeine content. For a lower-caffeine version, use a half-and-half mix of regular and decaf, or a full decaf brew.


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