Pecans are used in ice cream, baking and as a topping or filling for some entree recipes. Pecans are also a good snacking nut. Pine Nuts are native to the Mediterranean region and grow on trees, between the leaves of pine cones. Harvesting is quite laborious and expensive. Pine nuts are a staple in Mediterranean and Middle Eastern cuisine.
Pistachio trees produce a green shell with purple skin.
Pistachios are not only a popular snack nut but also used as an ingredient in many desserts. Pistachios are also used as a source of green food coloring. Walnuts are grown in California, France, Italy, China and Chili. They are used in baking, snacking and are also an important source for salad oil. Walnuts are also popular in salads.