Alexandre Lacazette, Pierre-Emerick Aubameyang and Joe Willock were also among the scorers as Mikel Arteta's side returned to their home ground for the first time since the coronavirus pandemic caused for the league's suspension.  
Nketiah will be looking to force his way into the Arsenal side with his three goals, after an unproductive loan move to Leeds United during the first half of the season.  
Arsenal beat Charlton 6-0 in a friendly as Eddie Nketiah scored a second half hat-trick
The Gunners are preparing for their match against Manchester City on June 17
Star striker Aubameyang was subbed off after netting his goal but continued to watch on from the sidelines. 

The Gabon international appeared to be poking fun at team-mate Bukayo Saka's warm-up as he posted a video to his Instagram. 
The striker's future with the club remains uncertain with his current contract set to expire next summer.
The Gunners are preparing for the Premier League's return to action on Wednesday 17 June, when they travel to the Etihad Stadium to play Manchester City on the opening night.