One man replied with a picture of onions dipped in toffee disguised as toffee apple - the ultimate Halloween prank.
Sparrow also attracted a large amount of attention from Americans...
He felt he had to clear things up:
Dear Americans... It's a joke. No one is going to feed you horrible vegetables covered in chocolate. Calm down!
However, one woman, with the Twitter username Lady Godiva,confessed that she has been dipping Brussels sprouts in chocolate every Halloween to prank people. "I've done this for the last 5 years. I save ferrero rocher wrappers for them to give them that litttle bit extra."