Matcha is made from steamed tea leaves that are ground to a powder.

It is prepared by placing 1 teaspoon of matcha powder into a ceramic bowl (Kli Sheni) and taking water that is kept at 80°C (176°F) in a Kli Rishon and pouring 30 ml down the side of the bowl, not directly onto the powder whisking the matcha and the adding 90 ml of water pouring it down the side of the bowl.

Would this be, halachically speaking, mutar on Shabbat? I think this would be a case of ain bishul acher bishul, the steaming being the first bishul.

  • Does this help? dinonline.org/2021/08/10/coffee-or-tea-on-shabbat/#_ftn1
    – Shmuel
    Mar 5, 2023 at 23:14
  • Thank you, but I've already seen that page. The Halacha on the page is useful, but the metziut is different enough that I don't know if it applies.
    – DWeinstein
    Mar 5, 2023 at 23:32
  • First of all Welcome to MiYodeya D and thanks for this first question. Great to have you learn with us!
    – mbloch
    Mar 6, 2023 at 3:36
  • 1
    There is a bishul after bishul for things that are very easy to cook, tea is one example of it. I also don't understand how pouring water down the side helps. Is your case not similar to pouring water from kli rishon straight onto the tea, which is forbidden?
    – mbloch
    Mar 6, 2023 at 3:36
  • related: judaism.stackexchange.com/q/104496
    – msh210
    Mar 6, 2023 at 5:30


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