On a hot Australian afternoon, a glass of iced tea is hard to beat. But iced tea and cold brew are not quite the same thing.

This guide draws on Wikipedia's articles on iced tea and cold brew tea, and on the Sri Lanka Tea Board's iced tea lemonade recipe.

At a glance
  • Iced tea: any tea that has been chilled or cooled
  • Earliest printed recipes: 1870s
  • Cold brew: steeped 16–24 hours in cold or room-temperature water
  • Cold brew origin: Japan
  • Herbal teas are often served iced too

Iced tea vs cold brew

Iced teaCold brew
How it's madeTea brewed hot, then chilled or poured over iceTea steeped in cold or room-temperature water
TimeMinutes, plus chillingTypically 16–24 hours
Leaf quantityOften brewed strong to allow for melting iceNeeds much more tea to extract enough flavour

Making iced tea

Wikipedia describes iced tea as a form of cold tea — usually served over ice, but the term can refer to any tea that has been chilled or cooled. It may be sweetened or not. One common home method recorded in Wikipedia is putting a large amount of ice into a small amount of strong hot tea, or refrigerating hot tea for some time.

The Sri Lanka Tea Board's iced tea lemonade recipe follows the same pattern: bring water to the boil, add tea leaves for 3–5 minutes, strain, then add cold water, cooled sugar syrup and lemon juice, and serve over ice.

Making cold brew tea

According to Wikipedia, cold brew tea uses time rather than temperature to release flavour. It is a practice that comes from Japan, where it is believed to extract flavour gently, as hotter brewing can scorch the tea and make it bitter. The tea is usually left in the refrigerator or at room temperature for 16–24 hours, and requires a much higher quantity of tea than hot brewing.

Food safety tipIf you cold brew, keep the tea refrigerated and use clean containers.

Cold tea around the world

Herbal teas are often served cold too — hibiscus drinks are a classic example.

A little history

Wikipedia records that as early as 1823 Marguerite, Countess of Blessington, wrote of sipping iced tea in Naples, and that the oldest printed recipes for iced tea date back to the 1870s.

Sources & further reading

Tea Online Editorial TeamFacts in this article are drawn from the sources listed above, such as the Sri Lanka Tea Board, Wikipedia and government health agencies. Featured product links on this site go to Yarra Valley Impex, an Australian retailer of Ceylon tea and spices. These are commercial links. This article is general information and not a substitute for professional medical advice.