Dirty Chai
Also dirty chai latte
A chai latte 'dirtied' with a shot of espresso. The caffeine figure here counts only the espresso; the tea adds more.
SpecialtyServed hotFrom United States
- Volume
- 270ml9.1 US fl oz
- Espresso
- 1shot
- Caffeine
- 64mgderived, USDA FDC
- Coffee to milk
- 1:6.0
The build
Watch it made, step by step- Spiced chai concentrate60 ml22%
- Milk180 ml67%
- Espresso30 ml11%
- Volume
- 270ml
- Caffeine
- 64mg
- Espresso
- 1shot
Scales every component together, so the ratio holds; caffeine scales with the coffee.
A chai latte with a shot of espresso; the tea's caffeine is extra and not counted here.
Caffeine
Derivedin a 270 ml dirty chai
USDA FoodData Central SR Legacy caffeine per 100 g scaled to the coffee volume in components, assuming 1 g per ml. FDC 171891 (Beverages, coffee, brewed, espresso, restaurant-prepared) 212.0 mg/100 g x 30 ml.
USDA FoodData Central record 171891 · read 2026-10-26
A derived figure: the reference food's caffeine per 100 g scaled to the coffee in this build. Real cups vary with the coffee, the dose and the shot.
Variants by country
1| Name | Country | How it differs |
|---|---|---|
| filthy chai | United States | Two shots. |
History
Popular accountEmerged in North American and British cafés in the 1990s or 2000s; no documented inventor. We have not found a primary source for this account.
Western café hybrid of masala chai latte and espresso.
Parts of this story are repeated widely but were not confirmed against a source this atlas accepts. They are kept as the story people tell, not as fact.
Related drinks
Coffee blended with butter and MCT oil into a creamy emulsion, a 2009 US diet-culture drink. Butter in coffee is older in Singapore and Ethiopia.
Specialty Olive Oil Coffee (Oleato-style) 255 ml · 127 mgA latte with a spoon of extra-virgin olive oil blended in, a 2023 chain-café novelty launched in Italy.
Specialty Red Eye 270 ml · 64 mgDrip coffee fortified with a shot of espresso. The caffeine of a large filter coffee plus a shot makes it one of the strongest everyday café orders.
Specialty Black Eye 300 ml · 127 mgA cup of drip coffee with two espresso shots added. The middle rung of the red eye, black eye, dead eye ladder.
Specialty Dead Eye 330 ml · 191 mgDrip coffee with three espresso shots. At well over 250 mg of caffeine by USDA figures it approaches a full day's commonly cited intake limit in one cup.
Specialty Affogato 130 ml · 64 mgA scoop of gelato drowned in a shot of hot espresso. Served in a small glass or bowl and eaten with a spoon as much as drunk.