Cashew trees grow quickly and vigorously, usually reaching a height of 15 to 20 meters. The fruit has a diameter of 6 to 12 centimeters and bears the largest seeds in the world, known as anacardiums or cashews. A nutritious snack option for a short energy boost is raw cashews. Add some roasted cashews to your favorite dish. Cashews that have been processed can be added to cheeses like yogurt-cashew ricotta and sauces like pesto.