The naughty tesco post got me exploring.

[SealDriver]

(7 December 2012, 18:32)Geordie_Rob Wrote: Just examined the pack. Would it specifically say if it was GM? There is nothing on it to say it is GM, but equally nothing to say its GM free.

Beardy, we all have to make sacrifices mate. Sadly on this occasion it was bits of cow in spag bol. Like I say though, it didn't taste that bad if I'm honest.

I think that Tescos have to label GM, although there are ways that big companies can legally get around this, I'll do some research and get back to you mate.