Why the best diet for you is also good for the planet: The planetary health diet, which encourages people to eat more plants and fewer processed foods, lowers the risk of early death

I understand the desire. My friend group tends to make cheese sauces and toppings using cashews and yeast.

This article says cheese can be a part of the planetary diet. They aren't recommending veganism in this piece, they are focusing on whole foods over processed foods primarily, while also advocating plant based food and advocating for e.g. chicken over red meat.