What Is Matcha? A Clear-Headed Guide for First-Timers

Start with what matcha is not. Matcha is not powdered green tea. The distinction sounds pedantic until you understand what it means — for how it is grown, how it is processed, what it contains, and how it tastes. Every conversation about matcha that skips this step ends in confusion.

Green tea is a category. Matcha is a specific product within that category, produced by a particular agricultural method and processing technique that makes it unlike any other tea on the market.

Where matcha comes from

Tea — all tea — comes from the Camellia sinensis plant. What distinguishes different tea types is what happens to the leaf after it is picked. Matcha belongs to the green tea family because the leaves are not oxidised. But the similarities with standard green tea end there.

Matcha originated in China during the Tang Dynasty, when powdered tea became a central feature of Buddhist monastic practice. The tradition was refined during the Song Dynasty and brought to Japan in the twelfth century by the monk Eisai. Japan took the concept, developed an agricultural science around it, and embedded it at the centre of its tea ceremony culture. Today, quality matcha is produced in Japan and, increasingly, in China, where a genuine quality renaissance has been underway for the past decade.

What makes matcha different from other green teas

The decisive factor is shading. Four to six weeks before harvest, matcha farmers cover their plants, blocking out the majority of direct sunlight. This single agricultural intervention triggers a cascade of changes in the leaf. The plant increases its chlorophyll production — producing the vivid, saturated green colour that distinguishes quality matcha. Simultaneously, the plant produces significantly more L-theanine, an amino acid responsible for matcha's distinctive calm focus.

Shading also triggers ooika — a Japanese term for "covered fragrance." This is the rich, layered, slightly sweet aroma that characterises fine matcha. If you open a tin of quality matcha and smell something vegetal, sweet, and almost marine, that is ooika. It is the signature of shading done well.

How matcha is made

After shading, only the finest leaves — the youngest, most tender growth — are selected for ceremonial grade. Once picked, the leaves are immediately steamed to stop oxidation, then dried. A labour-intensive sorting process removes all stems and veins. What remains is called tencha: the raw material of matcha.

Tencha is then stone-ground. Traditional granite mills rotate slowly — to prevent heat build-up — producing approximately thirty grams of finished matcha per hour. The target particle size is around thirteen micrometres. At that fineness, the powder suspends fully in water rather than sinking, giving matcha its characteristic thick, frothy texture when whisked.

What matcha actually tastes like

Good matcha tastes like nothing else. The dominant note is umami — savoury and rounded. Underneath sits a vegetal, grassy character that is fresh rather than earthy. There is sweetness, particularly in finer grades. And there is bitterness — clean and manageable, arriving at the finish without lingering. Poor matcha tastes flat, harsh, and sometimes fishy. The difference between good and bad matcha in the cup is not subtle.

How to drink matcha

The traditional preparation is usucha — thin tea — made in a wide ceramic bowl called a chawan. Matcha powder is sifted into the bowl, hot water at around seventy-five degrees Celsius is added, and a bamboo whisk called a chasen creates a fine foam. Water temperature matters: boiling water destroys the amino acids and turns the matcha harsh. Seventy to eighty degrees Celsius is the correct range.

Matcha lattes and iced matcha have become the most popular formats in the West. Both work well with quality matcha, though the most delicate ceremonial grades are often best appreciated as a straight bowl, where nothing competes with the flavour. Understanding what matcha actually is makes the market considerably easier to navigate — and the good stuff impossible to mistake. Ready to start? Try our starter matcha — a genuine introduction to what the category can be.