How to Clean a Matcha Bowl (and Get the Green Stains Out)

A matcha bowl asks far less of you than the whisk, and it still picks up a green shadow in the base within a month or two. Nearly all of that comes from the last mouthful drying onto the glaze. The shadow that has already settled in will come out.

How do you clean a matcha bowl after use?

Rinse it in warm water while the film in the base is still wet, which takes about ten seconds. Wipe the inside with a soft cloth or the soft side of a sponge, rinse again, and stand it on a rack to drain. Glazed ceramic needs no washing-up liquid for plain matcha.

• Rinse before you wash up, not after. Dried matcha wants soaking, and that is how a bowl ends up in the sink until the evening.
• Reach the foot as well as the inside. The ring the bowl stands on is often unglazed, and it holds water after a quick rinse.

The whisk is the part with real rules, since solid bamboo takes in whatever you wash it with. Those sit on our page about looking after a matcha whisk.

Why does matcha stain a ceramic bowl green?

Matcha is ground far finer than tea leaf, so the particles settle into any texture the glaze has. A smooth, fully glazed interior gives them nothing to hold, and it rinses clear. A crazed glaze with its network of fine cracks, or a bare patch of clay, traps the pigment and darkens over weeks.

Crazing is the fine craquelure of a crackle glaze, and it is a finish rather than a fault. It does mean the bowl marks sooner than a plain gloss. The marking stays on the surface and lifts with bicarbonate of soda.

Timing matters more than material. A bowl rinsed within a minute of being emptied rarely stains at all. Material only changes how stubborn a stain is once it is there, which our comparison of ceramic against stoneware matcha bowls covers.

How do you get matcha stains out of a ceramic bowl?

Mix bicarbonate of soda with a few drops of warm water into a thick paste, spread it over the green area with a fingertip, and leave it for ten minutes. Work it round with a soft damp cloth, then rinse until the water runs clear. Repeat once on an older stain.

What you are looking at	What to use	How long
Fresh green film	Warm water and a soft cloth	Ten seconds
Green shadow in the base	Bicarbonate of soda paste	Ten minutes, then rinse
Milk or syrup film	Washing-up liquid and warm water	Wash as normal

Bicarbonate suits the job because it is softer than fired glaze, so it shifts the deposit without cutting the surface underneath. Anything gritty enough to scratch dulls the gloss, and a dulled bowl stains faster.

Can you put a matcha bowl in the dishwasher?

A fully glazed bowl marked dishwasher safe will come through a cycle, though hand rinsing keeps the glaze brighter over the years. Bowls with an unglazed foot ring take in water on the bottom rack. Bowls with a pouring spout knock against their neighbours as the rack moves, and spouts chip first.

• Glazed ceramic. Fine in the machine, on the top rack, clear of anything heavy.
• Stoneware. Dense and hard fired, so it copes, though it fills rack space for a ten-second job.
• Bowls with a spout. Wash by hand. The spout stands proud of the rim and takes the impact.
• Bare clay on the base or foot. Wash by hand. Unglazed clay drinks detergent and dries slowly.

What should you never use on a matcha bowl?

Keep abrasive scourers, wire wool and scouring powder away from the inside, since all three leave scratches that hold the next stain. Keep bleach off any unglazed clay, because bare clay soaks it up and gives it back slowly. None of it belongs near a bowl you drink from.

• Green scouring pads and wire wool. They cut fine lines into the glaze, and matcha settles into each one.
• A sudden change of temperature. Cold water into a bowl straight off a hot wash can craze a glaze. Let it cool on the rack.

How should you dry and store a matcha bowl?

Stand it upside down on a rack until the foot ring is dry to the touch, which takes about twenty minutes. Store it the right way up, on its own or with a cloth between it and the next bowl. Stacking wet bowls is what puts grey scuff marks inside the rim.

Those grey marks are not dirt. They are traces of glaze rubbed off the foot of the bowl above, and bicarbonate paste takes them off in the same ten minutes.

Which matcha bowls are easiest to keep clean?

A wide bowl with a smooth, fully glazed interior and a rounded base is the least work, because a cloth reaches everything and nothing collects in a corner. Plain glazes show a green shadow soonest, while speckled and patterned ones hide it. Every finish cleans up with the same bicarbonate paste.

Width and shape matter for whisking as well as washing, which the guide to matcha bowl size covers. Our own bowls are glazed inside, so a cloth clears the base in one pass.

Cleaning a matcha bowl FAQ

Stains, dishwashers, soap and stacking make up almost every message we get about bowls. The answers below stand on their own, so you can check one without reading back through the guide. The whisk has a care page of its own, since bamboo and glaze want opposite things.

How do you clean a chawan?

Rinse it in warm water as soon as you have finished drinking, wipe the inside with a soft cloth, and stand it upside down to dry. A chawan is a matcha bowl, so the routine is the same as for any glazed ceramic. Detergent is only needed after milk.

How do you get matcha stains off ceramic?

Bicarbonate of soda mixed with warm water into a paste. Spread it over the stain, leave it ten minutes, rub it round with a damp cloth and rinse. It is mild enough to leave the glaze alone and abrasive enough to lift the green. Older marks want a second pass.

Can you use washing-up liquid on a matcha bowl?

Yes on glazed ceramic, and it makes short work of a latte bowl. Plain matcha rinses out in warm water without it, so most bowls never need any. Keep detergent off unglazed clay, and keep it away from the bamboo whisk, which takes it into the grain.

Why has my matcha bowl gone green inside?

Matcha has been left to dry in it, and the pigment has settled into the glaze. Crazed and matt finishes take it up faster than a smooth gloss, and an unglazed base faster again. Bicarbonate paste lifts it, and rinsing within a minute stops it coming back.

Is it safe to stack matcha bowls?

Yes, once they are dry, with a tea towel or a paper napkin between them. Stacking wet bowls traps moisture against the glaze and leaves grey rub marks inside the rim of the lower bowl. Those marks are transferred glaze and come off with the same bicarbonate paste.

Related: Ceramic vs stoneware matcha bowls · How to take care of a matcha whisk

Back to the full guide → How to make matcha at home