I frequently delete specific site cookies either for testing or to sign out of poorly designed sites (Thanks Microsoft Auth).
The current way to do this is as follows:
Settings > Security and Privacy > Cookies and other site data > All cookies and site data > Search cookies > Remove
Not very convenient.
It would be great if the was an option in the “Customize and control Brave” menu to delete the cookies and site data then refresh for the site you are currently visiting.