The 19-year-old, who has previously made appearances in the FA Cup and the Champions League for Arsene Wenger’s side, was handed his first Premier League start at Goodison Park.
Former Manchester United striker Danny Welbeck broke the deadlock in the seventh minute before Iwobi doubled Arsenal’s lead three minutes before half-time.
France international Giroud was quick to dedicate a message to the Nigerian youngster on social media following Saturday’s much-needed win.
Great Victoty! Great first one Alex! Now Blue life https://t.co/SCeVT8ta4J
— Olivier Giroud (@_OlivierGiroud_) March 20, 2016
Giroud was denied a goal in the second half after the Arsenal striker was adjudged to have been offside.
Arsenal are 11 points behind Premier League leaders Leicester City after the Foxes were 1-0 winners at Crystal Palace later on Saturday.
The north London side aren’t in action again until their home game against Watford at the Emirates Stadium on Saturday 2 April.
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