Frubert Hazel Nuts Perfect for snacking, they’re also ideal for your favorite recipes. It has naturally crunchy texture and distinct taste .The hazelnut, also known as the filbert, is a type of nut that comes from the Corylus tree. It is mostly cultivated in Turkey, Italy, Spain and the United States. Hazelnuts have a sweet flavor and can be eaten raw, roasted or ground into a paste. Like other nuts, hazelnuts are rich in nutrients and have a high content of protein, fats, vitamins and minerals. Here are seven evidence-based health benefits of hazelnuts.