Joe Hugill gave United the lead in the 29th minute, with that advantage doubled soon after through Omari Forson.
Liam Higgins got one back for Everton before half-time, ensuring the score was 2-1 at the break.
Forson got his second of the encounter, late on, to restore the two-goal lead, prior to completing his hat-trick and the scoring with a stoppage-time penalty.
United had the better of the early chances, with Dan Gore lively in the opening stages, twice setting up opportunities for Mateo Mejia that unfortunately came to nothing.
Shortly before the half-hour mark, the young Reds had a reward for their efforts.