So, when you are cooking in the future for content, you can add the picture when you are in the procces of making that food, at least three photos of you.

This rules is to avoid many fake who try to only get rewards.

No problem if you wearing "niqab" in your photo, and that's allowed on Islam rules to share picture.

We just need to see the consistency of your blog. Same of you in every single post. Avoid to share many people who are not you like in the post before. People will see it as not consistent and considered as abuse thing