What’s a すだち (sudachi)? Think of it as a tiny, tart lime native to Tokushima Prefecture in Japan. Every now and then, I stay up way too late experimenting with seasonal fruits — testing my patience, ...

Walk into any modern restaurant menu, and chances are you’ll see a word that once seemed exotic: yuzu. Alongside it, sudachi and kabosu—three Japanese citrus fruits that are suddenly everywhere. From ...