Marinate chicken in corn flour and soy sauce while you prepare the other ingredients.
Cook noodles according to package instructions.
Whisk together the ingredients for the pad thai sauce.
In a large wok heat coconut oil, add the garlic, ginger, chilli, onion and pepper. Saute for a couple of minutes then add the chicken. Cook the chicken. If drying out add a bit of chicken stock.
Add the cooked noodles and a bit of the pad thai sauce. At any point if getting too dry just add a bit of chicken stock. Add the rest of the pad thai sauce - stir well to coat noodles. Cook for about 3 minutes. Serve hot.