Vegan savoury flavour mini fillets, made with mycoprotein, in a sweet chilli marinade. Sustainable Nutrition. Quorn products are a source of protein because they contain mycoprotein; a nutritious and sustainable protein source. Mycoprotein is footprinted by the Carbon Trust and has less impact on our planet's resources. High in Protein and Fibre,Ready to Eat,Suitable for vegetarians,Suitable for Vegans