Tarragon is a perennial herbaceous shrub native to eastern Europe. The infusion of its leaves can be used against nausea, hiccups, insomnia and acts as a digestive, tonic and appetizer. It is used in salads, white and red meat and fish sauces, eggs, ice creams, fruit salads, etc. Its leaves are added to soups for flavor. Its shoots are cooked as a vegetable. Finally, it is recommended for flavoring vinegar and mustard. Tip: try adding a few leaves to your jar of sun-dried tomatoes.