This doesn’t allow inline typed links but allows us to say something about the note itself. It seems like an excellent start for me :).
On the practical side, I would go with double brackets, so we can still use auto-complete.
I also dream about having the possibility of using entities as properties. But I don’t think that front matter allows this.
Would that be something nice to have?
---
title: awesome recipe
[[has ingredients]]: [[ingredient1]], [[ingredient2]]
[[preparation time]]: 5 minutes
---