Tarragon leaves are one of the four fines herbs and a key ingredient in French cuisine. It is popular in European cooking due to its distinct taste. Tarragon has narrow, pointed dark-green leaves which give a warm, minty anise-like aroma, reminiscent of anise or licorice flavour. It has a sweet-tangy aroma with a slightly bitter taste and is an essential herb in Béarnaise sauce. It can easily dominate other flavours. so should be added carefully.