Parmesan, which is made from animal rennet, is not strictly vegetarian, so if preparing this dish for meat - free guests remember to check with them in advance — vegetarian alternatives are available if they'd prefer. (greatbritishchefs.com)
Parmesan is never suitable for vegetarians (legally, to be called Parmesan it has to include animal rennet). (cookrepublic.com)
Our cheese is free of animal rennet, artificial colors and antibiotics. (goodfoodmadesimple.com)