Quorn Stuff

Quorn is a brand name for a series of meat free products (sausages, pies) that contain mycoprotein.

According to the website:

It is a nutritious member of the fungi family like mushrooms.
It is a fungus which contains high quality protein, enabling us to offer an alternative, purely vegetarian source of protein to meat-
It is naturally low in fat
It also contains very few calories,
It also contains essential dietary fibre
It doesn’t contain any cholesterol
It is completely meat free.

This could be a good product to introduce into your diet, the Quorn website has lots of recipes on it too. Just choose which country you are in and check out their stuff.