Hazelnuts are nutritious and very versatile nuts that taste delicious, especially when they're roasted. They are rich in healthy monounsaturated oil and also contain minerals, vitamins, protein, fiber and phytonutrients. Hazelnuts are produced in commercial quantities in Turkey, Azerbaijan, Italy, Greece, Cyprus, Georgia, Serbia, in the south of the Spanish region of Catalonia, in the UK county of Kent, and in the American states of Oregon and Washington, and south western British Columbia Canada. Turkey is the largest producer of hazelnuts in the world with about 75% of worldwide production. Ferrero SpA, the producers of Nutella and Ferrero Rocher, consumes 25% of the global supply.