Boston Trash Can
The Boston Trash Can, also widely known as the Irish Trash Can, is a six-spirit party drink built around one conceit: an open can of Red Bull dropped inverted into a tall glass of electric blue spirits, releasing gradually as the drink is consumed. The colour shifts from blue to green as the yellow energy drink meets the blue curaçao below it. The base departs from the Long Island Iced Tea in one significant respect. Tequila is absent, and peach schnapps takes the sixth position alongside vodka, gin, white rum, triple sec and blue curaçao. There is no fresh lemon and no sugar syrup either: the sweetness comes entirely from the liqueurs and the Red Bull, and what acid there is comes from the energy drink. It commits fully to what it is. This is a high-energy, high-strength, visually dramatic serve for nightlife, and it has genuine balance when it is built properly with decent bottles.
Glassware: Highball Glass
Garnish: Red Bull can
Ingredients
15ml
A clean, neutral vodka that contributes proof and body without introducing a competing flavour. One of six equal spirit measures that form the base of the build.
15ml
A London Dry with clear juniper character. At 15ml its botanical presence is subtle, but it adds a complexity none of the other five bottles supply.
15ml
A clean, lightly aged white rum, providing a faint sweetness and tropical character alongside the other spirits.
15ml
Cointreau is the benchmark. It gives a clean orange sweetness that bridges the spirits and works with both the blue curaçao and the peach schnapps.
15ml
The ingredient that defines the drink visually, providing the electric blue that shifts to green as the Red Bull integrates. It contributes orange sweetness as well as colour.
15ml
Replaces tequila in this build and provides the stone fruit sweetness that separates it from the Long Island Iced Tea family. A schnapps with genuine peach character performs noticeably better than an artificially flavoured one.
250ml
One standard can, opened and placed inverted so that it releases gradually as the drink is consumed. Put it in immediately before the drink reaches the table.
Instructions
Fill a pint glass or wide highball to the top with large cubed ice.
Pour the blue curaçao into the base of the glass.
Add the vodka, gin, white rum, triple sec and peach schnapps over the ice.
Stir briefly to combine.
Open a can of Red Bull and place it inverted into the glass so the opening sits submerged.
Serve immediately with a straw long enough to reach past the can.
Expert Tip
The glass has to be wider than the can. A standard highball is usually too narrow for the Red Bull to sit inverted with its opening submerged, which is the entire mechanism of the drink. A pint glass or a wide tall glass is the correct vessel, and getting this wrong turns the centrepiece into a can balanced on top of some ice. Drop the can in at the last possible moment, immediately before the drink reaches the table. The Red Bull needs to be actively releasing on the first sip, and a drink that has been standing has already done most of what makes it interesting. Use a straw long enough to reach past the can to the liquid underneath, or the drinker gets energy drink and very little else.
Flavour Profile
Where It Comes From
The Boston Trash Can, more commonly called the Irish Trash Can across much of the United States, belongs to the generation of novelty cocktails that came out of American college bar and nightlife culture in the late 1990s and early 2000s.
Its origin is not attributed to a named bartender or bar in the way the Long Island Iced Tea's creation at the Oak Beach Inn is recorded. It comes from a period when spirits mixed with energy drinks were becoming a fixture of late-night service and theatrical presentation mattered as much as flavour.
The Irish reference is the green colour that develops as the yellow Red Bull meets the blue curaçao. The Boston reference, like the Long Island in the Long Island Iced Tea, is loosely attached rather than a statement of where it was made.
The Spirit Lineup
Swapping peach schnapps for tequila is a structural decision rather than a minor variation. Tequila's vegetal, herbaceous agave character is part of what holds a Long Island Iced Tea's five spirits in coherent balance. Peach schnapps' stone fruit sweetness makes the drink more fruit-forward, more approachable and considerably less demanding of the bottles underneath it.
Six spirits at equal parts gives a total spirit volume of 90ml before the Red Bull goes in, which makes this one of the strongest single-serve builds in general circulation on pure spirit volume. The Red Bull disguises that a great deal, and the finished drink's alcohol content is not modest.
The Inverted Can
The can is the drink's most distinctive feature and it is doing real work. Placed with its opening submerged, it releases the energy drink gradually as pressure equalises through the straw, so the cocktail changes as it is consumed: flavour and carbonation build as more comes out.
The colour change is part of the same process. The electric blue of the curaçao shifts progressively toward green as the yellow Red Bull integrates, and the drink genuinely looks different at the halfway point from how it arrived. That progression is part of the experience and worth explaining to the drinker rather than leaving them to notice it.
The Energy Drink Consideration
This deserves saying plainly. The stimulant effect of a full can of Red Bull can mask the sedative effects of the alcohol, which makes it easier to drink past the point you intended, and there is a substantial multi-spirit base underneath it.
The honest position is to document the drink properly and leave the judgement to the person drinking it. The theatre and the energy drink are what the drink is, and pretending otherwise would be a worse service than stating it.
How to Serve It
Built over ice in a pint glass or wide highball. Blue curaçao into the base first, the five other spirits over the ice, a brief stir, and the Red Bull placed in inverted immediately before it reaches the table.
Serve with a straw long enough to reach past the can to the liquid beneath it. This is a drink for rooms where its presentation and its energy suit the occasion. Build it with decent spirits, add the can at the last possible moment, and give the drinker the space to watch it change.
The Spirit
VodkaThe only major spirit whose legal definition asks for character to be taken away rather than built. UK law requires it to be distilled so that the raw material's own qualities are selectively reduced, and sets the floor at 37.5%. What is left is strength, texture, and whatever survived the process.
Frequently Asked Questions
What is a Boston Trash Can?
A six-spirit party serve, also known as the Irish Trash Can: electric blue spirits with an inverted can of Red Bull placed in the glass, releasing gradually. The colour shifts from blue to green as it is consumed.
How does it differ from a Long Island Iced Tea?
Tequila is absent and peach schnapps takes the sixth position, and there is no fresh lemon or sugar syrup. The sweetness comes from the liqueurs and the Red Bull, and the acid from the energy drink's citric acid content.
Why is the can inverted?
Placed opening-down, it releases as the pressure equalises through the straw, so the drink changes as it is consumed: flavour and carbonation grow, and the blue curaçao shifts toward green as the yellow Red Bull integrates.
How strong is it?
Ninety millilitres of spirit before the Red Bull goes in, which puts it among the strongest single-serve builds in general circulation. The energy drink masks that considerably, which is worth knowing before the second one.
Master the Techniques
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Where this one sits
Recipe by Jerry Can Spirits
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