Joseph Drouhin’s Beaune Clos des Mouches Blanc is an oxymoron of a Burgundy: an insider’s wine that’s normally made in generous quantities. While some wine oenophiles may turn up their noses at the very idea of white wine from Beaune—not to mention the appellation in particular, as it possesses no Grand Crus, red or white—this Premier Cru is way more interesting, and serious, than it has any right to be.