Make the sauce by mixing the sauce ingredients in a small jug or bowl and set aside.
Bring a saucepan of water to boil and cook the noodles according to packet instructions.
Meanwhile, remove any excess moisture from the duck-breast fillets with kitchen paper and score the skin in a diamond cross pattern with a sharp knife. Be careful not to cut into the flesh.
Sprinkle the duck breast fillets with salt.
Place your wok on a high heat and fry the scored duck fillets skin side down, for 5 minutes.
It's likely you will need to drain the noodles while the duck fillets are frying. Strain them with a colander and run cold water over them to prevent them from sticking and set aside.
Turn the duck fillets over and fry for another 3-4 minutes until the bottoms are brown. (note 6)
Use tongs to cook the sides of the duck breast fillets and then remove from the wok and set them aside on a wooden board or plate. (note 7)
Add the ginger, chilli, carrot, and red pepper to the wok and fry on a high heat for a few minutes until they are tender. Then reduce the heat to medium and add the garlic.
Add the cooked noodles to the wok and toss at a high heat until they are hot.
Then add the sauce, cook for a few minutes until it is incorporated and reduced a little.
Remove the pan from the heat and place the cooked noodles and veggies on plates or in bowls.
Slice the cooked duck breasts diagonally with a sharp knife, place on top of the noodles, top with spring onions/scallions and serve.