Seth Long bet his entire winery on one grape. He’s the first Oregon vintner to work exclusively with Chardonnay no Pinot Noir safety net and he learned his blueprint during stints at Domaine de Montille in Burgundy before bringing it home to the Willamette Valley. Koosah is his coolest, highest, slowest-ripening site: organically farmed, dry-farmed Dijon clones rooted in the volcanic basalts of the Eola-Amity Hills. The wine that comes off it is all tension and line taut, mineral, structured, far more about length than butter and oak. It’s the kind of American Chardonnay that makes Burgundy drinkers sit up straight.