Preheat the oven to 350℉.
Sift flour and baking powder together. Add Hazelnut flour and mix. Set aside.
In the bowl of a stand mixer with the paddle attachment or using a hand mixer, add butter and sugar. Cream together until light and fluffy.
Add one egg at a time, ensuring each is fully incorporated before adding the next.
Add in oil and vanilla extract and continue to mix.
Add in sifted flour mix a little at a time making sure each addition is incorporated. Mix until the dough comes together.
Place the dough onto a well floured surface. Flatten it out and add hazelnuts and chocolate chips. fold the ingredients in so that they are evenly distributed.
Divide in half and shape into long loaves. **If you prefer your biscotti smaller, divide the dough into 3 pieces.**
Place on a parchment lined baking sheet.
1st Bake – Bake at 350℉ for 35-40 minutes.
Cut the biscotti and place them back onto the parchment lined baking sheet.
2nd Bake – 300℉ for about 30-35 minutes or until nicely toasted.
Into a microwave safe bowl or over a double boiler, melt chocolate chips with coconut oil.
Drizzle the cookies with chocolate. Refrigerate for 30 minutes to allow the chocolate to set.
Enjoy with a nice espresso!