Mateusz Musialowski opened the scoring for Marc Bridge-Wilkinson's side with a superb individual effort before the two Scousers combined for the second, when a cross from James Norris was expertly finished by Layton Stewart.
Melkamu Frauendorf added a third before the break and Isaac Mabaya made it 4-0 with a deflected strike.
Oakley Cannonier came off the bench to grab the final goal with a superb finish on the turn.
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