You can post content in food communities, as long as you respect the community rules. By this I mean Plant Power Vegan, Amazing Drinks and Foodies Bee Hive. And since you are not a regular user of these communities, we would love to see your face.
On the other hand, I gather that you are vegan, so I am sure you have many good recipes to share. If you decide to bring those recipes, we would love to see you cooking (your face).
Here I leave you 3 posts to guide you on how to publish in this particular community.
Greetings.
@plantpoweronhive/were-plant-powered-hello-from-us