The 19-year-old Londoner opened the scoring after half an hour and bagged twice in three second-half minutes, after Jack Wilshere had converted a penalty, to seal his treble
Arsenal beat a Singapore Select XI 4-0 on Wednesday to reach the Asia Trophy final, with Chuba Akpom scoring a hat-trick.
Arsenal struggled to truly impose themselves for long spells but Akpom - who has spent time on loan at Brentford, Coventry City and Nottingham Forest in recent seasons without scoring - added late gloss having broken the deadlock after 30 minutes.
