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thé glacé bio kusmi tea

In summary: Choosing the right tea is essential for making a balanced, smooth iced tea with minimal bitterness. Mild green teas, white teas, rooibos and herbal infusions are the best options to enjoy chilled. Combined with cold brewing, they provide a fresh, aromatic and naturally sweet beverage.

What is an iced tea?

Iced tea is so much more than hot tea left behind on the kitchen counter. It starts with tea leaves infused, often cold or at low temperatures, then served chilled, with or without ice cubes. This brewing method changes everything: flavours are gently extracted, bitterness is kept at bay, and the result is naturally rounded and thirst-quenching. You can enjoy it as is or enhance it with fruit, herbs, and spices—that is where creativity comes into play.

The least bitter teas for iced tea

Smooth green tea: This is often the ideal starting point. A Sencha, a Bancha or a jasmine green tea bring a light vegetal freshness with very few tannins. When cold-brewed, they develop virtually no bitterness.

White tea. Understated, delicate, and naturally low in tannins. Pai Mu Tan or Silver Needle produce a subtle, almost sweet iced tea with an exceptionally smooth mouthfeel. A wonderful choice for anyone seeking effortless refinement.

Light oolong tea. Sitting between green and black tea, certain lightly oxidised oolongs are wonderful served iced. Floral notes, a milky touch, lovely roundness, and very little astringency. Surprising and elegant.

Rooibos (caffeine-free). Technically, it is not a tea. But in practice, it is a fantastic alternative: zero caffeine, zero tannins, and therefore no bitterness whatsoever, even after a long brew. Smooth, naturally sweet, and accessible to everyone.

Teas to avoid or adapt

Classic black teas—Ceylon, Assam—tend to turn bitter as soon as they are brewed for too long or at too high a temperature. That is no reason to rule them out: by using less tea and opting for a short brew or cold infusion, they can work wonderfully.

Flavoured teas and herbal infusions: an alternative not to be overlooked

If you are looking for a more indulgent or naturally sweet drink, flavoured teas and infusions are an excellent choice.

Green teas flavoured with citrus, red berries, or flowers gain an extra touch of freshness when cold-brewed. Lemon, bergamot, peach: these pairings enhance the thirst-quenching quality without overpowering the tea's delicate nature.

Fruit and herbal infusions, for their part, contain neither caffeine nor tannins. The result: zero bitterness, even after several hours in the fridge. Hibiscus, apple, mint, verbena—they make vibrant, aromatic iced drinks, perfect for sipping all day long.

Flavoured rooibos blends also deserve their spot. Their naturally rounded base pairs beautifully with vanilla, spiced, or fruity notes. Served iced, it is indulgent, balanced, and easy to enjoy.

kusmi tea iced tea

The right method for iced tea without bitterness

The choice of tea matters, but the method often makes all the difference.

Cold brewing is the most recommended technique. The concept is simple: leave the leaves to infuse directly in cold water for several hours in the refrigerator. Very few tannins are extracted, allowing the flavours to develop smoothly. The result is lighter, rounder, and truly refreshing.

A few practical guidelines: use slightly more tea than for a hot brew, leave to infuse for 6 to 12 hours depending on the desired strength, and opt for low-mineral water so as not to mask the aromas.

Hot brewing followed by rapid cooling is also possible, but requires a little more care. The brewing time must be short, at the right temperature for the type of tea, to prevent any over-extraction. Once ready, the tea is chilled immediately and then refrigerated.

In any case, ice cubes, fresh fruit, herbs, or citrus should be added just before serving, not before. This allows you to customise your drink without upsetting its balance.

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