Essential Spice pine nuts, also known as the pignoli nut, are the edible seeds of Pines. They can produce a very rich oil product, and are used whole in various dishes. They are best known to be used in pesto sauces. Pine nuts can be used with various dishes including meat, fish, pasta, and poultry. They're also a great addition to salads! Pine nuts are known to significantly reduce the risk of heart disease.