Закваска by Robin Sloan

A young software engineer in San Francisco becomes captivated after taking a job at a tiny, immigrant-run bakery and inheriting an unusual sourdough starter; as she learns the craft of baking and fermentation, the starter reshapes her routines, ambitions, and connections to the city, prompting a small, curious business venture and encounters with hidden networks, culinary history, and the quietly uncanny intersections between technology, food, and community.

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