Black Tea

If humanity has a default hot drink, this is a strong candidate. Black tea fills the breakfast pots of Britain and Ireland, the samovars of Russia and Turkey, the glasses of Indian railway platforms and the tea fields of the East African highlands. Of all the tea drunk in the world outside China and Japan, the overwhelming share is black — deep amber in the cup, bracing on the tongue, and endlessly adaptable.

What it is

Black tea is Camellia sinensis taken to full oxidation. Where green tea is heated immediately to keep the leaf fresh and green, black tea makers do the opposite: they deliberately bruise the withered leaf so that its enzymes transform its compounds completely, turning it coppery-dark and building an entirely new range of flavours — malt, dried fruit, honey, wood, citrus. The Chinese, incidentally, call this style "red tea" (hongcha) after the colour of the liquor; the West named it for the colour of the dry leaf. Both are describing the same thing: the boldest, most robust member of the tea family, surveyed alongside its siblings in our guide to the main types of tea.

Origin and a brief history

Black tea is a relative latecomer. China drank green tea for many centuries before fully oxidised styles emerged, by most accounts in the Wuyi hills of Fujian province during the late Ming dynasty. It was this darker, sturdier tea — a better traveller on long sea voyages — that came to dominate the export trade to Europe, and it was to secure supplies of it that Britain planted Assam, Darjeeling and, later, Ceylon in the nineteenth century, with Kenya following in the twentieth. That extraordinary story of trade, empire, smuggling and revolution is told in full in our cornerstone article on the global history of tea.

How it's made

After picking and withering, black tea manufacture follows one of two roads. Orthodox production rolls the leaf — traditionally by hand, now mostly by machine — to bruise it and start oxidation while keeping the leaf relatively whole. The leaf then oxidises fully in cool, humid air before being fired dry. Orthodox teas are the connoisseur's territory: whole and broken leaves with layered, nuanced flavour.

CTC — "crush, tear, curl", developed in Assam in the 1930s — instead shreds the leaf through toothed rollers into small, uniform granules. The tiny particles oxidise fast and brew fast, giving a strong, thick, uncompromising cup at low cost. CTC made robust milky tea affordable for millions and remains the engine of the everyday tea trade, including most tea bags and nearly all the tea that becomes masala chai.

Where the leaf grows matters as much as how it is handled. Assam, in the hot Brahmaputra valley, gives malty, full-bodied teas that stand up to milk. Darjeeling, high in the Himalayan foothills, produces light, aromatic teas prized for a grape-like "muscatel" character — often drunk plain. Ceylon teas from Sri Lanka are typically bright, citrusy and clean. Keemun, from China's Anhui province, offers wine-like depth with a whisper of smoke and cocoa, and Kenya — today one of the world's largest tea exporters — supplies the brisk, coppery CTC that anchors many breakfast blends.

What it tastes like

Black tea's signature is briskness — a lively, drying grip from tannins that makes the cup feel awake. Around that spine, flavours range widely: malt and toast in Assam, muscatel and flowers in Darjeeling, lemon and brightness in Ceylon, smoke and cocoa in Keemun. Body runs from delicate to almost broth-thick. That tannic structure is precisely why black tea, alone among the major styles, welcomes milk: the proteins soften the grip and the malty notes come forward. Whether you add milk is geography and habit, not correctness — much of South Asia, Britain and East Africa says yes; China, Germany and Russia mostly say no. Train your palate for these differences with our Academy primer on understanding flavour.

How to enjoy it

Black tea is the most forgiving style to brew: water at a full rolling boil, three to five minutes' steep, and a warmed pot will serve you well — our guide to how to brew tea and our classic black tea recipe cover the details. Take delicate Darjeelings and Keemuns plain; give sturdy Assams and breakfast blends milk if you like, adding it to taste rather than by rule. Black tea also carries flavour superbly — bergamot in Earl Grey, spices in chai, lemon and ice in the American South — and pairs naturally with food, from morning toast to afternoon cake; our guide to food and drink pairing basics explains why tannin loves richness. A typical 240 ml cup carries roughly 40–70 mg of caffeine — more than green tea, less than most coffee — with the usual caveats about leaf, dose and time explored in Does tea contain caffeine?.

In the glass today

Black tea remains the world's workhorse tea, but it is far from standing still. Single-estate Darjeelings and orthodox Assams now sell like fine wines, with flush dates and tasting notes; Kenyan producers are moving up the value chain into orthodox and purple-leaf specialities; and the global thirst for chai has carried strong CTC tea into cafés on every continent. From a five-pence tea bag to a competition-grade second flush, it is the same leaf, fully transformed — and still, cup for cup, the most drunk tea style on Earth.

Where to go next

Meet the unoxidised side of the family in our green tea profile, see what happens when black tea meets spice in masala chai, or browse all our drink profiles.