1 lb - 
duck breasts (boneless and skinless)
1 stalk - 
lemongrass
3 tablespoons - 
groundnut (peanut) oil
2 medium - 
shallots
3 cloves - 
garlic
1 tablespoon - 
fish sauce (or light soy sauce)
1 teaspoon - 
dark soy sauce
1  - 
lime
3 large - 
red or green chilli peppers
2 teaspoons - 
sugar
1 handful - 
fresh basil leaves
For the marinade
2 teaspoons - 
light soy sauce
2 teaspoons - 
rice wine or dry sherry
2 teaspoons - 
sesame oil
¼ teaspoon - 
salt
2 teaspoons - 
cornflour (cornstarch)
   - 
freshly ground black pepper