Leaves – raw or used as a flavouring in soups, beer etc. They can be chopped and added sparingly to salads. They have a very pleasant aroma, but can be overpowering in the food if you are not careful. The leaves were at one time widely used in brewing beer, before being superseded by hops (Humulus lupulus). The whole leaves can be laid in cake trays to flavour the cake whilst it is baking. The flower petals are used for conserves. A delicious tea is made from the dried leaves.