Method:Build in glass with ice. Nettles can be tricky to forage but if you have the right equipment and knowledge you can obtain them without destroying your hands. So many great books and blogs on foraging. Failing that, buy some nettle tea and make a concentrated tea with a few of the teabags, add sugar and a touch of citrus for your cordial.
Notes:Eir is the Nordic goddess associated with medicine. It’s said that’s nettles have healing powers.