Heat 1 teaspoon of the oil in a large frying pan over a medium heat and cook the salmon fillets, seed-side down, for 2 minutes, or until lightly browned. Turn and cook the other side for 2 minutes.
Remove the flesh from the duck and finely slice it, discarding the bones. Heat a wok (or frying pan), add the oil and heat. Add the ginger and garlic and cook until golden to flavour the oil ...