Grandma Catrino's Biscotti

I never knew my grandmother (she died when my mom was 14), but my mother's beautiful nieces (and fellow soulmates-in-cooking), Kay and Maryanne were nice enough to send me a bunch of Grandma Catrino's recipes a few years back including the biscotti one above. This story alone would have been enough for the recipe to earn a time-honored place in black p…