NYT Cooking: The word “biscotti” comes from the Latin biscoctus, or twice cooked: The dough is rolled into logs and given a spell in the oven, then cooled, sliced and slotted back in to bake a little more. The second turn in the oven essentially sucks them dry and gives them that signature crunch. Too much crunch, however, and they can be a little flinty. The pastry chef Mark Sopchak makes biscotti that are...
