Pine Nut is the seed of the stone pine. Pine nuts are eaten raw, or roasted and added as a garnish into salads. In Italy, pine nuts are used in sauces and soups and to make pesto sauce. In the Middle East, pine nuts are popular in dolmas.
Dowell, P., Bailey, A. (1980) The Book of Ingredients, Dorling Kindersley. ISBN 0718119150.