This week's markets & ingredients updates

All about Asia Nine in Penn Quarter's new raw bar, serving oysters with distinctive Asian sauces; Bittersweet Catering & Cafe is celebrating its 25th anniversary on June 21 by closing the 100 block of North Alfred St, Old Town, Alexandria for demos, raffles, prizes, food and fun; dairy-free cheesecake by Vegan Treats, available at Busboys & Poets, 2021 14th St NW 202 387 7638 and Java Green, 1020 19th St NW, 202 775 8899; Extra Virgin Lounge has live music nightly, from classical to jazz, to go with its bar snacks and cocktails; Charlie Chang's is running Happy Hour "Theme Nights" through June 19, at 4060 Campbell Ave, Arlington, with half price beers, sakes, and wines on different days of the week; Cleveland Park's Ardeo launches a "Sunday in the Neighborhood" prix-fixe dinner.