Photos: Ethan Fletcher It was back in the New Year that mobile food pioneer Jon Kosorek called it quits on his brick-and-mortar space in Uptown Oakland, where he ran out two well received but ultimately unsuccessful concepts, Marrow and Buma’s Pizzeria. Well, quietly, Burma Bear, an eclectic new mash-up eatery has taken over the petite storefront at 325 19th Street. Born in Burma and raised in San Francisco, chef Hubert Lim’s concept fuses American-style barbecue—baby back ribs, kalua pulled pork, lemon-pepper salmon—with Burmese specialties such as tea leaf salad and garlic noodles. Lim popularized his concept on the underground dinner and festival circuit before opening his first restaurant in San