The hazelnut/avellanas is a type of nut that is commonly used in various culinary applications. It has a sweet and nutty flavor, with a slightly bitter undertone. The avellanas variety is similar to the hazelnut but has a slightly different taste and texture. Both types of nuts are rich in nutrients, including healthy fats, protein, and fiber. They can be eaten raw, roasted, or used in baking and cooking to add a delicious crunch and flavor to dishes.