Country
Sri Lanka
I have one sourced drink connected to Sri Lanka. The label on each card says how: where it began, what the country is known for, what people drink there, or where the origin is disputed.
Drinks of Sri Lanka
Signature drinks and regional ones, with the evidence behind each. A drink marked non-alcoholic has no alcohol in the traditional serve.

Coconut Toddy
IconicRegional drink
Sap from the coconut flower that begins to ferment within a few hours into a strong whitish drink resembling diluted milk. It is poured into coconut shells at modest roadside shelters with straw roofs, and some drinkers spice it with pieces of onion and green chile.
Time Out says the tapper climbs the palm in the evening to attach a container under the cut flower and collects the contents early the next morning. Inside Hook says arrack is distilled from toddy, the milky sap of the coconut flower.
Made with: coconut flower sap, onion and green chile (optional).
Confidence: mediumEvidence: timeout.com (opens in a new tab), thecultural.me (opens in a new tab), insidehook.com (opens in a new tab)
Map data: Natural Earth, public domain.