Chris Long will remain on loan at Brentford for a further month.
The 20-year-old Academy graduate initially joined the Bees in January and has been a success at the Brentford Community Stadium, netting four goals in nine appearances so far.
The striker, who also had a loan spell at MK Dons last season, made his first-team bow for the Toffees during the 1-0 defeat against FC Krasnodar in December.
His most recent goal came in midweek when he notched to help Mark Warburton's side to 3-2 victory against Blackburn Rovers.
Keep an eye on evertonfc.com for weekly updates on Everton's loaned-out youngsters.