Deep Dark Chocolate Biscotti

This decadent-flavored chocolate biscotti recipe is actually quite healthy and contains healthy ingredients like wholemeal flour, flaxseed, and unsalted almonds.
Preheat the oven to 350 degrees.Spoon the flour into dry measuring cups; flatten with a knife. Combine the flour, flaxseed, baking soda, and salt in a bowl, stirring with a whisk. Combine the sugar, egg whites, and egg in a bowl; beat with a mixer on high speed for 2 minutes. Add vanilla; mix well. Add the flour mixture to the egg mixture; mix until smooth. Roll in chocolate and almonds. Divide the dough into 3 equal parts. Roll each serving into a 6-inch long roll. Place the rolls 3 inches apart on a baking sheet lined with parchment paper. Roll out to a thickness of 1 inch. Bake at 350 ° C for 28 minutes or until set.Remove the rolls from the baking tray; cool for 10 minutes on a wire rack. Cut the rolls diagonally into 30 (1/2-inch) slices. Place on a baking sheet, cut sides down. Reduce the oven temperature to 325 degrees; bake for 7 minutes. Turn the cookies over; bake for 7 minutes (the cookies will be slightly soft in the center, but will harden as they cool). Remove from the baking tray; cool on a wire rack.