Preheat your oven to 160 degrees Celsius (325 F)
In a bowl whisk together the flour, salt, and baking powder, then fold through the cranberries and chopped pistachios
In a second large bowl, beat together the sugar, eggs, olive oil, vanilla extract and orange zest until the mixture becomes pale.
Add the wet ingredients,to the dry ingredients and combine with a wooden spoon. The biscotti dough will be quite sticky
Line a baking sheet with baking or parchment paper, then lightly flour the baking paper.
Transfer the dough onto the floured baking tray, flour your hands then shape the dough into a wide (about 12 cm wide) flat log.
Bake for 40 minutes, remove from the oven then allow to cool to the touch. Reduce the temperature of your oven to 130 degrees Celsius.
Slice the warm biscotti into 1.5 cm thick slices. Lay the biscotti slices on a baking paper line sheet
Bake the biscotti slices in the 130-degree Celsius oven for 20 minutes, flip the biscotti and bake for a further 10 minutes. The baked biscotti should be lighlty golden brown.
Allow to cool completely then store in an airtight container
Enjoy