The Original Irish Coffee Recipe and Its Origins

If you’ve ever wondered how to make a real Irish Coffee—the kind that started it all in 1940s Ireland—you’re not alone. Many modern versions stray far from the original formula, leaving coffee and cocktail lovers guessing about the right balance of whisky, sugar, coffee, and cream. So what’s the real way to make it?

The original Irish Coffee, created in 1940 by Joseph Sheridan, combines hot coffee, Irish whiskey, sugar, and cream. The earliest known version used 1/2 to 1 ounce of Irish whiskey, brown sugar, and fresh cream, with variations including heated sugar or flamed whiskey. Later, in 1952, American journalist Stan Delaplane helped popularize it globally via San Francisco’s Buena Vista Bar.

What Is Irish Coffee?

Irish Coffee is a warm, boozy coffee drink made with hot coffee, Irish whiskey, sugar, and topped with lightly whipped fresh cream. It’s not a distilled liqueur or a cold mixed drink—it’s a balanced cocktail where the heat of the coffee contrasts with the cool silkiness of the cream. Unlike many modern coffee cocktails, the original 1940s version avoided flavored syrups or heavy cream modifications, keeping it simple and functional.

The True Origins of Irish Coffee

There are two widely cited origin stories. The first credits Joseph Sheridan, a head bartender at Foynes Airport (later Shannon Airport) in Ireland, who in 1940 created the drink for cold and weary passengers, especially Americans. He mixed hot coffee with Irish whiskey and sugar to comfort them—reportedly saying, “This is our coffee, we call it Irish Coffee.”

The second story dates to 1952, when American journalist Stan Delaplane landed at Shannon Airport during bad weather. Seeking something warming, he was served a special hot drink by the bartender. Delaplane loved it and brought the idea back to the Buena Vista Café in San Francisco, which partnered with Irish Distillers to supply whiskey specifically for the drink—eventually even naming a whiskey after the bar.

Two Historical Preparation Methods

Over the years, two primary preparation styles have stood out from the original recipes:

Method One: Classic Sugar-Melt Approach

This method uses a clear protocol for building layers:

• Start with 1/2 to 1 ounce (15–30ml) of Irish whiskey in a tall Irish Coffee glass.
• Add 1–2 teaspoons (or 1–2 small square sugar cubes) of brown or white sugar.
• Place a metal heating stand over an alcohol lamp and rest the glass on it. Heat until the sugar dissolves completely.
• Pour freshly brewed hot coffee into the glass, filling it about 80% full.
• Gently float lightly whipped fresh cream on top. Do not stir after adding the cream.

Method Two: Flaming Sugar & Whiskey

This more dramatic technique includes heating and briefly flaming the whiskey:

• In an Irish Coffee glass, combine Irish whiskey and rock sugar (often in the form of a cube or coarse crystals).
• Place the glass on a specialized alcohol lamp stand. Heat slowly while rotating the glass.
• Once the sugar dissolves and the liquid is warm and slightly smoking, extinguish the lamp. Carefully ignite the whiskey with a lighter and let it flame for about 5 seconds before covering to extinguish.
• Pour hot coffee into the glass, again filling to about 80% capacity.
• Top with freshly whipped light cream, added gently so it floats.

Key Ingredients & Measurements

Across both methods, the original ratios and steps remain consistent:

• Irish whiskey: 1/2 to 1 ounce (15–30ml)
• Sugar: 1–2 teaspoons (or sugar cubes)
• Coffee: Freshly brewed hot coffee, filled to ~80% of the glass
• Cream: Light, fresh, softly whipped—added last without mixing

No flavored syrup, no espresso, and no thick whipped cream as in modern diner-style versions. The drink relies on quality coffee, proper whiskey, and the contrast of textures between hot coffee and cool cream.

Frequently Asked Questions

What is the original Irish Coffee recipe?

The original 1940s Irish Coffee recipe includes 1/2 to 1 ounce of Irish whiskey, 1–2 teaspoons of sugar (white or brown), hot brewed coffee filled to about 80% of a tall glass, and a float of lightly whipped fresh cream on top. Some early versions involved melting the sugar with a heated stand or briefly flaming the whiskey.

Who invented Irish Coffee?

Irish Coffee was first created in 1940 by Joseph Sheridan, a bartender at Foynes Airport (later Shannon Airport) in Ireland, to warm up cold travelers. The drink gained international fame in 1952 when American journalist Stan Delaplane brought the recipe back to the Buena Vista Café in San Francisco.

What’s the difference between the two original preparation methods?

One method melts sugar with heated whiskey using an alcohol lamp (sometimes flaming it), while the other skips the flaming and simply heats sugar with whiskey before adding coffee and cream. Both finish with about 80% full coffee and a float of fresh cream.

Do you stir Irish Coffee?

No, you do not stir an authentic Irish Coffee after adding the cream. The cream is meant to sit on top so you sip the hot coffee through the cool cream for contrast.

Can you use any whiskey for Irish Coffee?

Traditionally, Irish Coffee is made with Irish whiskey. Using other whiskies will change the flavor profile, though it’s technically possible. The original and most authentic versions specify Irish whiskey.

What kind of cream is used in Irish Coffee?

The original recipe calls for fresh, lightly whipped cream—not thick, heavy, or flavored cream. It should be soft enough to float but hold its shape on top of the hot coffee.

Recommended FrontStreet Coffee for Irish Coffee

Pair your Irish Coffee with FrontStreet Coffee’s Ethiopia Yirgacheffe for bright acidity that cuts through the whiskey, or their Brazil Queen Manor for a smooth, low-acid base that complements the cream. For a richer profile, try the FrontStreet Black Cocoa Blend, which adds chocolate depth without overpowering the drink. All three beans highlight different facets of the drink’s layered flavors. Freshly roasted within 5 days · Orders placed before 17:00 ship the same day · Next-day delivery across most of Guangdong Province.