Getting the Best from Canned Guinness
Canned Guinness contains a revolutionary widget - a small plastic sphere that releases nitrogen when you open the can, recreating the draft experience at home. But the widget only does half the job; proper pouring technique does the rest.
Understanding the Widget
The Guinness widget is a ping-pong ball-sized plastic sphere sitting at the bottom of your can. It contains a small amount of nitrogen under pressure. When you crack the can open, the pressure change triggers the widget to release its nitrogen, creating that signature surge.
Did you know?
The widget was invented in 1969 and won the Queen's Award for Technological Achievement in 1991. It revolutionised how people enjoy stout at home.
Before You Pour
Temperature Matters
Canned Guinness should be served cold - between 4-6°C (39-43°F). Unlike some craft beers, Guinness doesn't benefit from warming up. A properly chilled can ensures optimal widget activation and head formation.
Pro Tip
Store your cans upright in the fridge for at least 24 hours before drinking. This allows the widget to settle properly at the bottom.
Choose the Right Glass
Use a Guinness tulip glass or similar pint glass. The curved shape helps direct the cascade and creates the ideal head. Avoid using:
- Mugs or steins (wrong shape)
- Plastic cups (affects taste and head)
- Small glasses (you need room for the head)
The Perfect Canned Pour
Step 1: Open with a Swift Motion
Open the can quickly and decisively. You'll hear a distinctive hiss as the widget activates. Listen for the rush of nitrogen - that's your cue that the widget is doing its job.
Step 2: Start Pouring Immediately
Don't wait after opening. Pour directly into your tilted glass (45-degree angle) within a few seconds of opening. The nitrogen release starts immediately and you want to capture it in the glass.
Step 3: Pour Steadily Down the Side
Aim the pour at the inside of the glass, about midway up. Pour steadily - not too fast, not too slow. Let the liquid flow smoothly down the curved glass surface.
Step 4: Straighten as You Fill
As the glass fills, gradually bring it upright. By the time you're three-quarters full, the glass should be nearly vertical.
Step 5: Let It Surge
Set the glass down and watch the cascade. Unlike draft, you don't need to wait as long - about 30-45 seconds is sufficient for canned Guinness.
Step 6: Top Off if Needed
If there's room, add a small splash more to dome the head slightly. The head should be creamy white and about 1-1.5cm thick.
Common Mistakes
- Waiting too long to pour: The widget's effect diminishes quickly
- Pouring too slowly: Creates a flat, lifeless pint
- Using a warm can: Poor head formation
- Not tilting the glass: Excessive foam, waste
Warning
Never shake the can before opening. Unlike CO2 beers, this won't help - it just creates a mess and wastes your Guinness.
Canned vs. Draft
While canned Guinness with a widget comes remarkably close to draft, there are differences:
| Aspect | Canned | Draft |
|---|---|---|
| Cascade | Good | Excellent |
| Head retention | Good | Better |
| Creaminess | Very good | Excellent |
| Convenience | Excellent | N/A |
Maximising Your Experience
For the best canned Guinness experience:
- Temperature: Keep cans at optimal fridge temperature
- Glass: Pre-chill your glass in the freezer for 5 minutes
- Timing: Drink within 30 minutes of pouring
- Storage: Store cans upright, away from light
Want to get even closer to the draft experience? Check out our guide to the Guinness Nitrosurge device.



