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Matcha powder is stone-ground Japanese green tea made from shade-grown leaves called tencha. Unlike any other tea, you consume the entire leaf, ground to a fine powder and whisked into water. That single difference changes everything about how it tastes, how much caffeine it delivers, and what you can do with it. We source matcha from both Uji and Kagoshima, and after 15 years of importing tea, I can say that the gap between good matcha and bad matcha is wider than almost any other tea category.
The shade-growing period, the grinding process, the freshness of the powder, and the water temperature you use all determine whether your bowl tastes like sweet umami or bitter grass. Most problems people have with matcha come down to two things: buying stale or low-grade powder, or using water that is far too hot. Both are easy to fix once you know what to look for.
The production process itself is genuinely striking: granite stone mills turning slowly enough to grind just 30-40g per hour, first-harvest leaves shaded under straw for weeks, and meticulous removal of every stem and vein before grinding begins. This guide covers grades, preparation, sourcing, and storage so you can buy and use matcha powder with confidence.
Matcha is a finely ground powder made from tencha, a shade-grown green tea whose stems and veins are removed before the leaf is stone-milled on granite. You whisk the powder directly into water and drink the whole leaf, not a steeped infusion. That makes matcha fundamentally different from every other tea.
The process starts with tencha production. Tea plants are shaded for 20-30 days before harvest, forcing the leaves to produce more chlorophyll and L-theanine. After steaming and drying, the leaves are stripped of stems and veins. What remains is the pure leaf tissue, called tencha.
This tencha is then ground on slow-turning granite mills into the fine powder we call matcha. The grinding is deliberately slow, around 30-40g per hour per mill, to avoid heat that would degrade flavour and colour.
The technique originated in China during the Song Dynasty, where powdered tea was whisked in bowls. Japanese monks brought the method to Japan in the 12th century, and Japanese producers refined the shade-growing and grinding process into what we know today.
Regular green tea is steeped. You pour water over leaves, extract some of the compounds, then discard the leaves. With matcha powder, you consume everything the leaf contains, which means more caffeine, more L-theanine, more catechins, and a completely different flavour profile.
A cup of Sencha gives you a fraction of the leaf's compounds; a bowl of matcha gives you all of them. The texture is different too, with a creamy, almost velvety body that no steeped tea can replicate.
Growing matcha requires a specific shading, harvesting, and grinding sequence that makes it one of the most labour-intensive teas to produce. Each step directly affects the final colour, flavour, and price.
Matcha tea plants are covered 20-30 days before the spring harvest. This shading forces the plant to overproduce chlorophyll, which gives matcha its vivid green colour, and boosts L-theanine, the amino acid responsible for matcha's umami character.
Our Uji producer uses traditional straw shading for ceremonial grade. The Kagoshima supplier uses synthetic nets. I have tasted both side by side repeatedly: the straw-shaded Uji has noticeably more sweetness and umami depth. Synthetic shading is more consistent season to season, but the flavour ceiling is lower.
First harvest (ichibancha) in spring produces the best matcha. The youngest leaves at the top of the plant have the highest concentration of amino acids and the least bitterness.
After picking, leaves are immediately steamed to halt oxidation, then dried. The critical step is removing all stems and veins from the dried leaf. This is what transforms it from regular dried tea (aracha) into tencha, the raw material for matcha. Producers who skip careful stem removal end up with a grittier, less vibrant powder.
Tencha is ground on granite stone mills that turn slowly, producing around 30-40g of matcha powder per hour per mill. The slow speed prevents friction heat, which would oxidise the powder and turn it yellowish-brown.
This is why genuine stone-ground matcha is expensive: a single mill takes an entire hour to produce enough for roughly 20 servings. Industrial ball mills can grind faster, but the particle size is less uniform and the flavour suffers. Our matcha is ground before it ships to us, ensuring maximum freshness on arrival.
Ceremonial grade matcha is made from first-harvest tencha, stone-ground to the finest particle size, and produces a vibrant bright green powder with pronounced umami and minimal bitterness. Culinary grade uses later harvests, has a stronger, more astringent flavour, and is designed for cooking, baking, and lattes where other ingredients balance the taste.
Ceremonial matcha is meant for drinking straight, whisked with water and nothing else. The colour should be a vivid, almost electric green. The taste profile centres on umami sweetness, vegetal notes, and a creamy finish with no harsh bitterness.
When I set up a tasting to show what matcha can actually be, I reach for the Uji ceremonial grade. The sweetness and depth are in a different league compared to anything from a later harvest. Expect to pay more for genuine ceremonial grade, and expect it to be worth it.
Culinary grade matcha comes from second or later harvests. It has a stronger, slightly bitter flavour that holds up when mixed with milk, sugar, or baked into recipes. The colour is typically a duller, more olive green compared to ceremonial. This is not inferior tea; it is tea designed for a different purpose.
Using ceremonial grade in a latte or a cake wastes its subtlety. Our matcha is great for cooking and for adding a touch of matcha richness to your food. Kagoshima matcha is excellent for lattes, cooking, or when you want something stronger and consistent, and it is more accessible on price.
There is no official, standardised grading system for matcha. "Ceremonial" and "culinary" are industry conventions, not regulated terms. Any producer can label their matcha ceremonial grade. This is why visual cues (colour, texture), origin transparency, and price are more reliable indicators than the label on the tin.
The core method is simple: sift matcha powder into a warm bowl, add 70C water, and whisk vigorously with a bamboo whisk until frothy. Getting the details right is what separates a smooth, sweet bowl from a clumpy, bitter one.
Preheat your bowl (chawan) with hot water, discard it, then dry the bowl. Sift 2g of matcha powder through a fine mesh strainer into the bowl to break up clumps. Pour 60-70ml of water at 70C.
Using a bamboo whisk (chasen), whisk in a fast W or M motion using only your wrist. The movement should come from the wrist, not the arm. Continue for 15-20 seconds until the surface is covered with a fine, even foam.
The single mistake people consistently make is water temperature. They use boiling water and then blame the matcha for being bitter. Seventy degrees, every time. You cannot rescue matcha brewed in boiling water. The whisking technique you can teach, but the temperature is non-negotiable.
Usucha (thin tea) is the standard preparation: 2g matcha powder with 60ml water at 70C, whisked vigorously to produce foam. This is what most people think of as matcha.
Koicha (thick tea) uses 4g matcha with only 30ml water at 70C, whisked slowly in a circular 360-degree movement. The result is thick, intense, and has less foam. Koicha requires the highest grade matcha because any bitterness or astringency is amplified at that concentration. As I tell customers: not for the faint of heart.
If you do not have a chasen, a small electric milk frother works reasonably well for usucha. Place your sifted matcha in a cup, add 70C water, and froth until combined. The foam will not be as fine as with a bamboo whisk, but the drink will be well-mixed.
A mason jar with a tight lid also works: add matcha and water, shake vigorously for 30 seconds. For cold matcha, shake with cold water and ice. The key regardless of method is to sift the powder first and never use boiling water.
A matcha latte combines whisked matcha with steamed or frothed milk. Use culinary grade matcha powder for lattes, as the milk masks the subtlety of ceremonial grade.
Sift 2g of matcha into a cup. Add 30ml of water at 70C and whisk or froth until smooth. Heat 200ml of milk (dairy or plant-based) to around 65C and froth it. Pour the frothed milk over the matcha concentrate. Sweeten if desired, though good culinary matcha with oat milk needs little or no added sugar.
For iced matcha lattes, whisk the matcha with 30ml of cold water instead, pour over ice, then top with cold milk. The cold version is especially good in summer and does not require any special technique beyond thorough whisking.
Plant milk options each behave differently. Oat milk froths well and has a neutral sweetness that pairs naturally with matcha. Almond milk is thinner and can taste slightly watery. Soy milk froths well and has a creamy body. Coconut milk adds richness but competes with the matcha flavour.
Matcha lemonade: whisk 2g matcha into 30ml cold water, pour over ice, top with lemonade. The acidity of lemon brightens the vegetal notes. Matcha smoothie: blend 2g matcha with banana, spinach, and your choice of milk for a thick, green smoothie.
Matcha tonic: whisk matcha into a small amount of water, pour over ice, top with tonic water. The bitterness of tonic and the umami of matcha create an unusual but balanced combination.
Culinary grade matcha powder works best for cooking and baking. It has a stronger flavour that holds up against sugar, butter, and flour, and the cost is significantly lower than ceremonial grade.
Add matcha to cake batters, cookie doughs, and muffin mixes by sifting it into the dry ingredients. For most recipes, 2-4 teaspoons per batch gives a clear matcha flavour without overwhelming bitterness.
Heat degrades matcha, so the vivid green colour will dull somewhat during baking. Lower oven temperatures (160-170C) and shorter bake times help preserve colour. Matcha pairs well with white chocolate, vanilla, and citrus flavours in baked goods.
Matcha shines in no-bake preparations where heat does not degrade the colour or flavour. Matcha ice cream is a classic: fold sifted matcha into a custard base before churning. Matcha energy balls (dates, oats, matcha, coconut) make a quick snack.
Matcha panna cotta, matcha truffles with white chocolate, and matcha chia pudding all work well. For these preparations, the matcha stays vivid green and the flavour is clean and pronounced.
A standard serving of matcha (2g whisked into water) contains roughly 30-70mg of caffeine. That places it between most green teas (20-30mg) and a cup of coffee (80-120mg). The key difference is how that caffeine is delivered.
One gram of matcha powder contains approximately 19-44mg of caffeine, depending on shade duration, harvest, and cultivar. A typical 2g serving therefore delivers 38-88mg, though most sources settle on 30-70mg as the practical range.
Compare this to a shot of espresso (63mg) or a cup of brewed coffee (80-120mg). Matcha has more caffeine than Sencha, Gyokuro rivals it, and coffee exceeds it.
L-theanine is an amino acid abundant in shade-grown tea. It promotes calm focus without drowsiness and modulates how caffeine affects you. In practice, this means matcha delivers sustained energy without the spike-and-crash pattern common with coffee.
I use matcha before longer exercise sessions rather than coffee. The energy comes on steadily and does not drop off sharply. Whether that is the L-theanine or just slower caffeine absorption I cannot say with certainty, but the practical experience is consistent enough that I have kept the habit.
High-grade matcha powder tastes predominantly of umami, with vegetal sweetness, a creamy body, and a clean finish. Lower grades lean toward bitterness, astringency, and a thinner mouthfeel. Preparation mistakes, especially water temperature, amplify bitterness regardless of grade.
Ceremonial grade from first harvest: rich umami, natural sweetness, smooth and creamy with almost no bitterness. Think of the savoury depth of a good dashi broth combined with the sweetness of fresh green peas.
Premium culinary: fuller-bodied, slightly astringent, still pleasant but clearly less sweet and less complex. Standard culinary: notably bitter, stronger "green" flavour, best when balanced with milk or sugar in recipes.
People describe matcha using words like grassy, vegetal, marine, nutty, and creamy. The grassy note is most prominent in lower grades or overheated matcha. Good ceremonial matcha should not taste like cut grass; it should taste rich, sweet, and savoury.
If your matcha is predominantly bitter or tastes like boiled spinach, the water was too hot or the matcha was low quality. At 70C, the same powder that tastes harsh at 100C becomes an entirely different drink.
Matcha powder degrades faster than any other tea once the package is opened. Oxygen, light, heat, and moisture break down chlorophyll and amino acids, turning the powder from vivid green to dull yellow-brown and the flavour from sweet to flat.
Because matcha is ground into microscopic particles, the surface area exposed to air is enormous compared to whole-leaf tea. Oxidation starts immediately on contact with air. Within weeks of opening, improperly stored matcha loses its vibrant colour and develops a stale, cardboard-like taste. The enemies are clear: oxygen, light, heat, and moisture. All four accelerate degradation.
Transfer matcha to an airtight, opaque container immediately after opening. Store it in the refrigerator, not the freezer (condensation from repeated freezing and thawing causes moisture damage). Use all opened matcha within 1-2 months.
Unopened, sealed matcha stored in the fridge or a cool, dark pantry lasts 6-12 months, though fresher is always better. Before each use, let the container reach room temperature before opening to prevent condensation from forming inside. Buy in small quantities rather than large tins unless you use matcha daily.
Look for vivid bright green colour, fine texture, a fresh vegetal aroma, and transparent origin information. If the powder looks yellowish-brown, smells stale, or lists no specific origin, it is not worth buying.
Colour is the most immediate indicator: genuine high-grade matcha is a vivid, electric green. Dull olive or yellow-brown signals old powder, poor shading, or a later harvest. Rub a small amount between your fingers. It should feel silky-fine, not gritty.
The aroma should be fresh, vegetal, and slightly sweet. If it smells flat or hay-like, the matcha is degraded or was never high quality. These checks take seconds and eliminate most poor-quality options immediately.
The major Japanese matcha-producing regions are Uji (Kyoto), Nishio (Aichi), and Kagoshima. Each has a distinct character. Uji is historically the most renowned and commands the highest prices. Kagoshima produces large volumes of consistent, good-quality matcha at more accessible prices. Nishio sits between the two.
Be cautious of matcha labelled "Japanese" without a specific region, as some products blend Chinese-grown powder with small amounts of Japanese matcha. Ask your supplier where the matcha is grown, which harvest it comes from, and when it was ground. Good suppliers answer these questions readily.
Genuine ceremonial matcha is not cheap. The slow stone-grinding process, first-harvest-only sourcing, and careful tencha preparation make it inherently expensive. If ceremonial grade matcha costs under 15 euros per 30g, question the quality.
Culinary grade is more affordable and should cost less than ceremonial, but rock-bottom prices still signal corners cut in shading, harvest, or grinding. As with any artisan food product, price reflects the care taken in production.
Is matcha better than green tea?
Different, not universally better. Matcha delivers higher concentrations of caffeine, L-theanine, and catechins because you consume the whole leaf. But "better" depends on what you want. For a light, refreshing daily drink, Sencha may suit you more. For concentrated flavour and nutrients, matcha powder is the clear choice.
Can you make matcha without a whisk?
Yes. A small electric frother, a mason jar with a lid (shake vigorously), or even a fork can mix matcha into water. The result will not have the same fine foam as a bamboo chasen produces, but it will be well-combined and drinkable.
Why is matcha so expensive?
The shade-growing period, first-harvest restriction, labour-intensive stem and vein removal, and slow stone-grinding (30-40g per hour per mill) all add cost. A single granite mill needs an hour to produce 20 servings. Cheap matcha skips one or more of these steps, and you taste the difference.
Does matcha expire?
Matcha does not become unsafe, but it degrades in flavour and colour. Opened matcha stored properly lasts 1-2 months at best quality. Unopened and refrigerated, 6-12 months. After that, it is still drinkable but flat and dull.
Is matcha always green?
Good matcha is always green. The shade is determined by quality and freshness: vivid bright green for fresh ceremonial, olive or yellow-brown for old, degraded, or low-grade powder. If your matcha is not green, it is not good matcha.
Matcha powder is one of the few teas where quality and freshness are non-negotiable. A stale, low-grade powder and a fresh ceremonial-grade one are barely the same product. The difference between a bitter, dull bowl and a smooth, umami-rich one comes down to three things: sourcing from a transparent Japanese producer, storing the powder sealed in the fridge and using it within two months, and preparing it with 70C water whisked properly. If you are new to matcha, start with ceremonial grade from Uji or Kagoshima. Use culinary grade for lattes and baking. Buy small quantities, store them cold, and pay attention to colour. Once you taste matcha prepared correctly from a good source, the price and the process make complete sense.
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