Biscotti are the traditional Italian biscuit or cookie that is twice baked. They contain flour & sugar, and wet ingredients like eggs - and in this recipe, there’s the addition of butter for a bit more flavor. They also contain nuts like pine nuts, pistachios, or hazelnuts. In this version, they contain almonds. Sometimes they have spices like anise, or other added ingredients like orange zest, lemon zest, dark chocolate, cranberries, or other dried fruits.