Can you say soy burger?
How about GREENBEEFOS! The Ultimate Catalyst by John Taine(Eric Temple Bell). 1939.
Vegetables that taste like beef, but there is a drawback....
https://i.pinimg.com/564x/24/5a/75/245a7533e75d6ca3910938c8b3567a47.jpg
https://i.pinimg.com/564x/1e/11/47/1e11479c44bec15ebf9668b55d68c2a4.jpg