The former Chelsea Academy product looked lively in his first game of the season having only had one prior training session with his new team-mates.
The 17-year old was fed by a pass from Christian Montano and kept his cool to slot home for 3-2 to the Hammers with only a minute left on the clock.
Also impressing in the friendly was 16-year-old Irish youth international Eoin Wearen and Gianfranco’s son Andrea Zola.