Make your dough with the ingredients. It should be cohesive and sticky enough to become a dough. You may need to add more oil or can substitute with yogurt or apple sauce.
Roll our two rectangular loafs flattened at the top in 350°F oven for 25 minutes.
Let cool completely. Then use a serated knife to make even-cut biscotti pieces.
Then flip over and bake for 10 more minutes for twice baked.
Let cool and dip in melted chocolate.
Refrigerate and then dip in white chocolate for duo-chocolate.