Magic_x_uk said:Im a chef, Head Chef at that. Been in catering 16 years so unless someone out there is a super butcher or has more experiance than me, I am perhaps the most experianced nut case here to give advice.
Now fillet is the best cut of beef there is. But as for quality, well you get good and bad fillets like you do everything else in life.
Just make sure it looks a nice red bloody colour, not dark red though. No signs of fat within the steak and you should be fine.
When you cook it, if you are going to cook it medium - well done, then dont buy a fillet, just buy some cheap crap beef and use that as most of the flavour will be gone through all the cooking process.
Fillet is best served rare - medium rare. The blood adds to the taste. Granted not everyone likes blood, but im not meaning that it is dripping with blood.
And Dr Who:
You said "when its cooked, this fat melts and is what makes the meat tender"
Think you may be wrong there
Was a prep chef for a year and you are spot on.