Serves4
                    
                
                
                    
                        
                            - Active Time:30 min
 
                        
                            - Start to Finish:30 min
 
                        
                    
                
             
            
                
                    
                    ADAPTED FROM XINH'S CLAM & OYSTER HOUSE
                
            
            
                
                
                
    
      
          
          
          
              
              
              
          
          
          
          
          
              
              
              January 2007
            
          
          
      
  
                
                
            
            
            
                
            
            
            
            
            
                
                    
                    
                    
                        
                            
                            
                            
                                
                                    
                                        - 
                                            1
                                            
                                            (2-lb) live geoduck clam (see cooks' note, below)
                                            
                                        
 
                                    
                                        - 
                                            2 1/2
                                            tablespoons
                                            fresh lime juice
                                            
                                        
 
                                    
                                        - 
                                            1
                                            tablespoon
                                            hoisin sauce
                                            
                                        
 
                                    
                                        - 
                                            1
                                            tablespoon
                                            oyster sauce
                                            
                                        
 
                                    
                                        - 
                                            1
                                            tablespoon
                                            soy sauce
                                            
                                        
 
                                    
                                        - 
                                            1
                                            teaspoon
                                            minced peeled fresh ginger
                                            
                                        
 
                                    
                                        - 
                                            1
                                            
                                            fresh lemongrass stalk, root ends trimmed and 1 or 2 tough outer leaves discarded
                                            
                                        
 
                                    
                                        - 
                                            2
                                            tablespoons
                                            unsalted butter
                                            
                                        
 
                                    
                                        - 
                                            1/2
                                            cup
                                            thinly sliced onion
                                            
                                        
 
                                    
                                        - 
                                            1
                                            tablespoon
                                            minced garlic (about 3 cloves)
                                            
                                        
 
                                    
                                        - 
                                            2/3
                                            cup
                                            thinly sliced green bell pepper
                                            
                                        
 
                                    
                                        - 
                                            2/3
                                            cup
                                            thinly sliced red bell pepper
                                            
                                        
 
                                    
                                        - 
                                            2
                                            
                                            medium celery ribs, thinly sliced (1 cup)
                                            
                                        
 
                                    
                                        - 
                                            2
                                            
                                            scallions, thinly sliced
                                            
                                        
 
                                    
                                        - 
                                            2
                                            tablespoons
                                            chopped fresh cilantro
                                            
                                        
 
                                    
                                
                            
                         
                    
                 
            
            
            
            
            
                
            
            
            
            
                
                    
                    
                    
                        
                            
                                
                                
                                
                                    
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Submerge geoduck in an 8-quart pot of boiling water 3 seconds. Transfer to sink with tongs and pull off shell. 
                                         
                                    
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Discard egg-shaped stomach, spongy gills, and the skin covering the siphon. Rinse geoduck to remove any sand. Cut siphon from body and halve siphon lengthwise. Holding knife at a 45-degree angle, cut both siphon and body crosswise into 1/8-inch-thick slices (keep siphon and body meat separate).
                                         
                                    
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Stir together lime juice, hoisin sauce, oyster sauce, soy sauce, and ginger in a small bowl. 
                                         
                                    
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Finely mince enough lemongrass from bottom 6 inches of stalk to measure 1 tablespoon. 
                                         
                                    
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Heat butter in a 12-inch heavy skillet over moderately high heat until foam subsides, then sauté minced lemongrass, onion, and garlic, stirring, until slightly softened and fragrant, about 2 minutes. Stir in geoduck body meat, lime juice mixture, bell peppers, and celery and simmer, stirring occasionally, until bell peppers are softened, 3 to 4 minutes. Stir in siphon meat, scallions, and cilantro and simmer, stirring, until just heated through, about 2 minutes. Season with salt and pepper. 
                                         
                                    
                                
                             
                        
                    
                    Cooks' note: Geoduck clams are available from Taylor Shellfish Farms (360-432-3300).