Firm favourite Aussie Lyrics (4-7 on, Fav) bided his time before pulling clear in the final furlong, leaving Bowl Imperior well behind.
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Drama unfolded at the start as the four-horse field effectively became three when Benoordenhout unseated rider Tim Clark just as the flag went down.
Clark managed to re-mount but by then was almost a furlong down, leaving the £2,380 first prize to be contested by only three horses.
Aussie Lyrics looked comfortable throughout the first circuit and Batchelor eased her past Bowl Imperior to win by a distance, with Blue Sea of Ibrox last.
Batchelor said: “To be fair, anyone could have won today, I just had to guide her safely around. I missed what happened at the start but one of the other jockeys told me as we were going round and I had a little giggle. It certainly made the job easier as Benoordenhout was second favourite for a good reason.
“It is a brilliant race to win and I’m delighted.”
Winning trainer Christa Gilbert said Aussie Lyrics has come into form at just the right time for the Jersey Derby, run over a mile and half for three year olds or more.
She said: “We have been very lucky and then for Benoordenhout to lose out like that made it a much simpler task to win the race. Mattie rode brilliantly and it is a real honour to win again.”