Sorrel is one of the most spicy vegetations in its family. There are about two hundred species which naturally grow in middle climate areas on the Northern half round. Nowadays, sorrel is introduced world wide.
Sage is a strong flavouring plant which is used a lot in meat-courses, but also with cooking milk. This sage milk is considered as medicinal and calming.
Because of its strong flavour, sage should be used carefully. It easily overrules the taste of other herbs.