
A nut, dried fruit and chocolate filled version of biscotti. Perfect for dunking and delicious eaten on their own.
Preheat oven to 325 degrees F. Set aside two large cookie sheets - or better yet four, doubled so that the biscotti will bake on a double layer of cookie sheets.
Whisk the flour, baking powder and salt together in a medium bowl and set aside.
Using an electric mixer, mix the chunks of butter and the white and brown sugars for about one minute on low to medium-low speed, just until they are combined. Do not continue to beat once they are combined as the texture of the dough should be dense.

Add the eggs to the butter and sugar mixture, one at a time, mixing just until each egg is incorporated. Incorporate the vanilla with the third (final) egg. Blend in the flour (on low speed) just until it is combined.

Combine the chopped pistachios, dried cherries and chocolate chunks. Add them to the dough and mix them in with a few strokes of the mixer, or a spatula, or even your hands.

Divide the dough into two pieces. On a parchment sheet (the size of the cookie sheet you will use to bake the biscotti on), form one piece into a log about 14 inches long and flat on the top and sides.

Move the parchment with the log onto the baking sheet. Repeat with the second piece of dough.

Bake the logs until they are golden brown and firm to the touch, approximately 45 minutes. Turn them front to back and switching them from top to bottom halfway through to facilitate even baking of all sides and both logs.
Remove the cookie sheets from the oven. While the logs are still hot, slide the parchment on which you've baked one log onto a cutting board. Using a large knife and sure, deliberate strokes, slice the log at 1/2 inch intervals to create slices. Using tongs or another implement (because they are hot!) place the slices back on the cookie sheet (without the parchment.) Repeat with the other log.

Bake the biscotti slices for approximately 20 minutes total - 10 minutes on one side, then turn them on the other side and bake for 10 more. Once they are golden brown on the cut sides, transfer the slices to a wire rack to cool completely.

The reason to double the cookie sheets is to prevent the bottom of the biscotti from becoming too dark. It's not essential, but does help. If you do not have four cookie sheets and therefore bake on single sheets, check the bottoms several times to make sure they are not getting too dark. If they seem to be baking faster than the tops, lower the heat to 300 and bake for longer.
I'm obsessive, so I measure my biscotti logs with a ruler. You don't have to, but if you want to get at least 4 dozen biscotti out of the dough, your logs have to be at least 13 inches long and the slices must be about 1/2-inch thick.
Slicing the biscotti logs after the first bake inevitably results in some crumbs and a few slices from which pieces fall off. Don't freak out. If you slice while the logs are hot (pardon the expression) and do not hesitate as you cut, most of the slices will be just fine.
This version of biscotti is not an adaptation of any single recipe, but it was inspired by two - a Cranberry Pistachio Biscotti from Leite's Culinaria and a Pistachio-golden Raisin Biscotti from one of my favorite cookbooks, The Baker's Dozen Cookbook.