Line a heavy large baking sheet with parchment paper. Whisk the flour and baking powder in a medium bowl to blend. Using an electric mixer, beat the sugar, butter, lemon zest, fennel seed and salt in a large bowl to blend. Beat in the eggs 1 at a time. Add the flour mixture and beat just until blended. Stir in the figs and hazelnuts.
Form the dough into 2 logs. Bake until light golden, about 25-30 minutes. Cool for 30 minutes.
Place the logs on the cutting board. Using a sharp serrated knife, cut the log on a diagonal into ½ to ¾-inch-thick slices. Arrange the biscotti, cut side down, on the baking sheet. Bake the biscotti until they are pale golden, about 10-15 minutes. Transfer the biscotti to a rack and cool completely.
Stir the chocolate in a bowl set over a saucepan of simmering water until the chocolate melts. Drizzle the chocolate over the biscotti. Refrigerate until the chocolate is firm, about 35 minutes.
Recipe by Eatentions at https://www.eatentions.com/dried-fig-and-hazelnut-biscotti/