The Cookery has been Dobbs Ferry's pre-eminent spot for perfect pizza. Chef David DiBari's Neapolitan wonders have made their mark, drawing in crowds from all over upstate New York to match taste with rumor, and flavor to fable. Now Chef DiBari's spreading the rumors by going mobile, and the things we're hearing are all good, all the time. Track 'em down yourself for a taste of the Hudson Valley's very best, or book 'em for your next event. You'll garner the kind of gossip you'll be happy to stir up. MUST TRY * A killer breakfast pizza packed with tomato jam, egg, mozzarella and Hudson Valley duck bacon