Cut the chicken into 1" pieces.
Put the chiken pieces in a plastic bag. Add corn flour and the close the bag nicely. Toss to coat all the pieces with corn flour.
In a bowl mix together the soys sauce, marmalade, ginger, garlic, pepper and salt.
In a pan heat the oil then cook the chicken pieces till its tender.
Now add the mixture prepared with soy sauce and stir fry to coat well and cook for sometime.
Serve hot.