Oreshki are very well known as smooth shortbread , walnut shaped Russian cookies. They are a very popular Russian treats, baked during holidays and special occasions. In Russian "oreshki" means walnuts. They are traditionally made in a special mold that is called "oreshnitsa", and after baked they are filled with caramel or dulce de leche :) Oreshki often require a special skillet/mold ,but I used a waffle maker that has 3 different shape attachments and one of them was the w