Nah, I don't think you're being cynical, I presumed that she had some help. I kinda presumed they all did! Even with a fair bit of cooking experience, some of those dishes were a little advanced, so I thought that they must have had an adviser and some practice.
That said, I was glad Liz won, as she seemed to need it! Really seemed short on confidence, hope that this gives her a boost
I was surprised that Mark stormed out of the kitchen at Petrus, was quite interesting to hear that it was a 'below-the-belt' comment from Marcus that prompted it. I'd love to know what was said!