An early goal from Ben Polk after just three minutes put United on their way to the win.
Kynan Isaac made it 2-0 after fifteen minutes.
Kieran Westwood scored number three ten minutes before the interval and it was 4-0 two minutes before the break when Ebby Nelson-Addy converted a spot kick.
Two goals from Nic Evangelinos in the second half completed the 6-0 win.
Banbury United: Ben McNamara, Luke Cray, Marvin Martin, Tom Ryan, John Mbamarah, Kieren Westwood, Ade Talabi, Ben Polk, Leon Simpson, Kynan Isaac, Ebby Nelson-Addy.
Subs: Ashley Dumbleton, Dave Parker, Manny Soetan, Juliano Menezes, Nick Evangelinos (all at half time). Samy Balal (60 mins), Stephan Kamoagno (60 mins), Bernard Nikansah (80 mins)