⏱ 1 min read
The Short Version
Forget the stale, pre-milled powders clogging American cafes; Constance is bringing stone-milled immediacy to San Francisco’s Outer Richmond. By grinding Uji tencha on-site and applying espresso-level precision to Taiwanese teas, they treat every cup as a technical masterpiece designed for peak umami.
Pour yourself a cup for this one: most matcha you encounter in American cafes is pre-milled, sitting on a shelf losing its vibrance by the day. Constance is changing that math in the Outer Richmond. By bringing traditional Japanese stone mills into their small studio, owners Bill and Ryan Tiet are prioritizing immediacy over convenience, milling tencha into powder on-site to ensure peak freshness.
Most shops in the U.S. buy pre-milled matcha that has a shelf life of a couple of months.
Precision through granite and stone
The process isn’t as simple as flipping a switch. Operating three traditional ishi-usu stone mills requires an understanding of grind size and heat management that most commercial operations bypass entirely. The team mills late at night and early in the morning, meaning once the daily batch runs out, the shop is done. This commitment to quality extends to their sourcing from Uji, Japan, where they focus on high-end cultivars like Okumidori to achieve a profile defined by deep umami and almost zero bitterness. Most shops in the U.S. buy pre-milled matcha that has a shelf life of a couple of months.
Technical extraction meets Taiwanese tradition
Constance doesn’t stop at green tea. They have also integrated a custom-built machine designed to treat loose-leaf Taiwanese teas with the same rigor typically reserved for espresso. By controlling water temperature, pressure, and flow, the shop pulls bold, complex shots that elevate tea from a simple steep to a highly technical beverage. It is a specialized approach that aims to facilitate a specific social state: being “tea-drunk,” or reaching that relaxed, conversational flow that comes from sharing a truly exceptional brew. Whether it is the rarity of their roasted black matcha or the precision of their stone milling, this shop treats tea as a living ingredient rather than a pantry staple. Have you ever noticed a significant difference in flavor between freshly whisked matcha and the pre-ground tins?
Questions & Answers
How does Constance ensure their matcha stays fresh?
Constance ensures peak freshness by milling tencha into powder on-site using traditional Japanese stone mills. While most American cafes use pre-milled matcha that loses vibrance on a shelf, this shop prioritizes immediacy over convenience. Owners Bill and Ryan Tiet operate three ishi-usu stone mills within their small studio to process tea daily. This specialized approach treats matcha as a living ingredient rather than a pantry staple, providing a much higher quality experience than standard pre-ground tins.
What makes the matcha at Constance different from typical cafe matcha?
The primary difference is that Constance uses freshly milled powder sourced from high-end cultivars in Uji, Japan, whereas most US shops use pre-milled matcha. By using stone mills to process Okumidori cultivars on-site, they achieve a flavor profile defined by deep umami and almost zero bitterness. Most commercial operations bypass the complexities of grind size and heat management, but Constance's commitment to traditional stone milling ensures their product maintains its vibrancy and superior taste profile.
How does Constance prepare their Taiwanese tea?
Constance prepares Taiwanese tea using a custom-built machine designed to treat loose-leaf varieties with the same technical rigor used for espresso. This specialized equipment allows the shop to precisely control water temperature, pressure, and flow during the extraction process. By applying these controlled variables, they are able to pull bold and complex shots that elevate traditional tea from a simple steep into a highly technical beverage intended to facilitate a relaxed social state.
Why does Constance limit their daily matcha availability?
Constance limits availability because they mill their tea in small, fresh batches using traditional stone mills that require intense manual precision. The team performs the milling process late at night and early in the morning to ensure quality. Because they prioritize the immediacy of freshly ground powder over mass production, the shop is finished for the day as soon as the daily batch runs out. This method ensures every customer receives tea at its peak freshness.
Originally reported by The San Francisco Standard.
