I don't know where my mother got this recipe but it produces the best biscotti I have ever had- and I am Italian so I have eaten A LOT of biscotti. Also, I will be publishing the chocolate version of this recipe which is also to die for. I've also made these with 1/4 cup dark chocolate chips and 2/4 cups hazelnuts in place of the almonds. For a sweeter variety, I have also mixed 1/2 cup almonds with 1/4 cup butterscotch chips. I have also made them plain without nuts when I've been low on ingredients. You can't mess up this recipe- it's fool-proof!.