Irish Stout
Dry stout as an ingredient: roasted barley for colour and a coffee-edged bitterness, finishing dry where English stouts often run sweet. It remains a beer at around 4.2%, so any drink built on it is an alcoholic one.
Quick Facts
Flavour Profile
Primary Flavours
Tasting Notes
Dry roast and coffee bitterness under a cream-smooth nitrogen head: black in the glass, lighter in body than it looks.
Storage & Handling
Cans and bottles cool and dark: chill before serving, and pour the whole measure once opened.
Shelf Life
Sealed: see the date on the can. Opened: pour it now
Usage
Poured over vanilla ice cream in a Stout Float, or layered with champagne in a Black Velvet. In both the stout is the balancing half rather than the sweet one, which is why a sweeter stout will not stand in.
St James’s Gate and the Dry Style
Arthur Guinness signed his 9,000-year lease on the St James’s Gate brewery in Dublin in 1759, and the dry stout style that grew there became the definition of the category: roasted barley for colour and a coffee-edged bitterness, with a dry finish where English stouts often ran sweet.
That dryness is the whole reason it works as an ingredient. A sweet stout added to a sweet partner gives a drink with nothing pulling against it, which is why the style matters more here than the brand does.
Nitrogen Is Engineering
The modern pour is a piece of engineering. In 1959 Guinness introduced nitrogenation, charging the beer with nitrogen rather than straight carbon dioxide.
Nitrogen forms far smaller bubbles than carbon dioxide, which is what builds the dense cream head and the surge-and-settle cascade in the glass. The widget brought the same pour into the can, and it is why a canned pint behaves like a draught one and a bottled one does not.
The Roast Does the Balancing
The Stout Float sets the roast against vanilla ice cream and the Black Velvet against champagne, and in both the stout is the balancing half rather than the sweet one.
That is an unusual job for a beer. Most beer cocktails use the beer for length and bubbles; these two use it the way a bitter liqueur would be used, which is why substituting a sweeter or milder stout leaves the drink flat rather than merely different.
It Is Beer
Draught Guinness runs around 4.2%, which is modest for a beer and considerable for something being poured over ice cream. A Stout Float or a Black Velvet is an alcoholic drink and should be described as one.
Pour slowly and let it settle, because the nitrogen head is texture rather than decoration and rushing wastes it. Chill it before serving, and pour the whole measure once the can or bottle is open, since it will not hold its condition.
Top Tips
- It is a beer, not a soft mixer: draught Guinness runs about 4.2% ABV, and the finished drink carries it.
- Pour slowly and let it settle: the nitrogen head is texture, and rushing the pour wastes the cream.
- Dry is the point: the roast bitterness balances sweet partners like ice cream and champagne, so keep sweeter stouts out of these serves.
Possible Substitutions
- Another dry stout: the nearest match
- A porter: softer roast, slightly sweeter
- A milk stout: sweeter and heavier, and it changes the balance
Production Method
Roasted barley gives the colour and the dry, coffee-edged bitterness: the draught pour is charged with nitrogen rather than straight carbon dioxide, a technique Guinness introduced in 1959, which builds the dense cream head and the surge-and-settle pour.
Common Questions
Is Irish stout alcoholic?
Yes. Draught Guinness, the benchmark for the style, runs about 4.2%. A Stout Float or a Black Velvet is an alcoholic drink and should be treated and described as one, which is easy to forget when ice cream is involved.
Why is Guinness poured with nitrogen?
Nitrogen forms far smaller bubbles than carbon dioxide, which gives the dense creamy head and the surge-and-settle cascade. Guinness introduced it in 1959, and the widget replicates the tap in a can, which a bottle does not.
What drinks can I make with stout?
The Stout Float pours it over vanilla ice cream and the Black Velvet layers it with champagne. In both the dry roast balances the sweetness, which is a job usually done by a bitter liqueur rather than by a beer.
Can I use a different stout?
A dry one, yes. A sweet or milk stout will not do the job, because both drinks use the stout as the bitter half against ice cream or champagne. Substituting a sweeter one leaves the drink with nothing pulling against the sugar.
Featured In These Cocktails
Often Used With
Guide by Jerry Can Spirits