The following is a biscotti recipe that I recently tried and loved the results.  In the past I have attempted other biscotti recipes and was always disappointed by the rock hard results.  These were nicely crispy, but not a chore to bite into.  I probably shouldn't be too surprised that the recipe was a success - it comes from the almost always good Smitten Kitchen home cooking blog.   3 1/4 cups all purpose flour  1 tablespoon baking powder  1/3 teaspoon salt  1 1/2 cups sugar  10 tablespoons (1 1/4 sticks) unsalted butter, melted  3 large eggs  1 tablespoon vanilla extract  1 tablespoon orange liqueur  1 tablespoon almond extract  1 tablespoon orange zest  1 cup whole almonds, toasted, coarsely chopped or sliced almonds   1 large egg white, whisked until foamy   1/2 cup semi-sweet chocolate chips, melted   Sift together the flour, baking powder, and salt.  Set aside.  Mix together sugar, butter, eggs, extracts, orange liqueur, and zest.  Add flour mixture to s...