Cold Brew Tea Starter Kit (日本用/For Japan)
Cold Brew Tea Starter Kit (日本用/For Japan)
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Cold brew green tea is naturally smooth and sweet with only muted bitter notes. It’s made by slowly steeping tea leaves in cold water. This process is optimal for the delicious combination of genmaicha.
Genmaicha is a light and refreshing tea made by blending green tea with “genmai” or “roasted rice.” This unique combination deepens the rich umami profile of green tea with the toasty aroma of roasted rice.
At Cuzen, we’ve elevated the popular pairing with our Single Origin Kirishima Okumidori matcha powder. This Cuzen-original has an even deeper umami flavor and a beautiful vibrant green color.
All the ingredients are certified organic and made in Japan.
Includes
Includes
・Organic Matcha Genmaicha 100g(1)
・HARIO Filter-in Bottle(1)
Specifications
Specifications
Shipping
Shipping
A flat shipping fee of 360 yen (tax included) applies to each delivery address nationwide.
Free Shipping: Orders totaling 3,300 yen or more per delivery address qualify for free shipping.
See our shipping policy here.
International shipping
International shipping
Now shipping to 18 countries worldwide. Please select the destination country from the region selector.
Tax and duties added at checkout.
Exchange and return policy
Exchange and return policy
All sales are final.
See our exchange and return policy here. Fees may apply for Matcha Makers.
Perfect Matcha Latte Shot Glass
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How to make cold brew genmaicha
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Step 1
Scoop 2 tablespoons (10g) of matcha genmaicha into the bottle.
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Step 2
Pour water up to the “750mL” water line. We recommend using ice cold water.
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Step 3
Close the lid and let it sit for 2–3 hours. Shake gently before drinking.
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Enjoy
Store the brewed tea in the refrigerator and drink within one day.
Why choose cold brew?
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Incredibly easy to make
Cold-brewing green tea is effortless. Simply add tea leaves to cold water and let it steep for a few hours.
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Naturally sweet & full of umami
L-theanine, the compound responsible for a tea’s sweetness, is easily infused into cold water. Catechin, the compound known for bitterness, dissolves much more slowly at low temperatures. This means cold brewing results in a smoother, mellow taste.
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Low caffeine
Cold-brewed tea is less caffeinated than hot tea because caffeine is more easily extracted in hot water. Using ice cold water further reduces the caffeine levels, making it a gentle green tea option.

Hario Filter-in Bottle
Hario, the only manufacturer in Japan with its own heatproof glass factory, has been making culinary glassware for over 100 years. Since 1921, Hario has been combining fine craftsmanship with modern, innovative designs that enrich daily life. Specializing in coffee and tea equipment, their quality and usability are highly-regarded worldwide.