Pork belly and kimchi at Black Bottle.Eclectic Belltown-based gastro-tavern Black Bottle is expanding to the Eastside, according to Bellevue Reporter. A second installment called Black Bottle Postern opens at the Avalon Towers at 10349 N.E. 10th St. in February.In other news, White Center Now reports that popular Kent eatery Crawfish Grill is bringing Cajun cuisine to 4509 California Ave. S.W., sharing the space with greasy spoon Be’s.