Here is the recipe :
Biscotti de Natale
1 lb butter
1 cup sugar
2 teaspoons vanilla
5 cups flour
6 teaspoons of baking soda
-Bake at 375° 10–12 minutes until light golden
-Combine butter sugar vanilla and eggs.
-Add flour and baking soda
-Should be fluffy and not stiff drop by rounded teaspoon onto nonstick cookie sheet bake and allow this thoroughly cool.
-One box of confectioners sugar
-2 1/2 teaspoons of lemon extract
-Combine and ice cookies for the traditional decorated look.