- 
        
        Steam a medium-sized crab
              for 20 minutes.
 
        - 
        
        Scoop out the crab meat
              from the shells and set aside.
 
        - 
        
        Clean the asparagus and
              cut the stalks into 4 cm sections, discarding the part close to
              the roots.
 
        - 
        
        Heat 1 tablespoon oil and
              add the chicken stock to the pan.
 
        - 
        
        Cook the asparagus until
              the stock is almost absorbed.
 
        - 
        
        Transfer to a plate and
              set aside to keep warm.
 
        - 
        
        Heat 3 tablespoons oil in
              the pan, add the ginger and garlic and when browned, remove and
              discard.
 
        - 
        
        Add the crab meat to the
              pan and sauté for 30 seconds.
 
        - 
        
        Mix the sauce ingredients,
              stir into the pan and bring to the boil.
 
        - 
        
        Pour the mixture over the
              asparagus and serve.