TV cookery shows ... a replacement for enjoying the leisure journey to Penryn (and bumping into a member there) or Penhelig (for a walk on the beach) or Penzance (for a look around the town and a pint at The Longboat). I wouldn't have the patience to take part in the Great British Bakeoff - a lot of work for a single cake, biscuit or bread product ... but I do look at Masterchef.
I've been doing a lot of cooking of late - and with some less normal ingredients.
I don't think, though, I would et beyond the first round.
Firstly, I don't go for the technically complex - much prefer the quick and simple, and I'm sure that on the TV you would see everyone else rushing for those final few countdown seconds and I would be ready and plated (indeed,I would have had to hold back plating to ensure it went in front of Greg and John still hot).
Secondly, because I'll tend to use ingredients thare are to hand and not fashionable, unusually, and possibly expensive things.
Third, because producting a dish that is "edible" is about my limit; none of this melding of tastes to something people would actually pay for in a restaurant.
So ... I don't think I'll (ever) take part - cookery for enjoyment, but Lisa's wishes for me to get through to the second round and beyond would be far more to allow her another few days of escape from my extraordialy plates of food than for wishing my food to get a wider audience.
This thread is not intended as an invite to discuss catering on trains - a subject which (I believe) is already covered elsewhere