Israeli startup Kinoko (see here previously) is cultivating a high-protein food from mycelium – the thin underground fungal threads that mushrooms grow on. Kinoko uses lentils and other legumes as a nutrition source. In four days, it grows a ready-to-cook burger, sausage, meatball, kebab, or patty.
https://nocamels.com/2023/01/growing-high-protein-mushroom-based-burgers-in-just-four-days/