The 19-year-old impressed in the 6-0 Carling Cup win over Sheffield United, were he scored a hat-trick.
“He is naturally gifted, quick, intelligent and with very good technique, so you now want him to add that combative, determined side that makes the difference,” Wenger said.
“He’ll quickly be a world-class striker when he adds that to his game. Some day we all get our chance – the target is to take that chance when you get it, and he has the potential to do that.”