Garnishes: cilantro sprigs, sesame seeds, chili oil. Combine first 10 ingredients in a shallow saucepan and bring to a boil. Once mixture is at a boil, reduce temperature and simmer for 15 minutes.
Mix corn starch and water together and slowly add to the simmering mixture, whisking constantly. Allow contents to simmer for another 5 minutes. Pour broth mixture through a fine strainer and return to pan.
Bring broth back to a simmer and add fresh seafood. Cook until seafood is just done and shellfish have opened. Be sure not to overcook To serve, portion seafood amongst 6 bowls an dladle broth over.
Garnish with the cilantro sprigs, sesame seeds and chili oil.Servings: 12 to 16