Preheat oven to 350 degrees Fahrenheit.

In the bowl of a food processor fitted with the dough attachment, mix almond flour, potato starch, baking powder, and salt. Add honey, orange juice, and orange zest and pulse until a dough forms.

Add chocolate chips and almonds and mix with a rubber spatula.

Wet hands and form two equal logs, measuring 10 inches by two inches each, on a baking sheet lined with Gefen Parchment Paper.

Bake for about 20 minutes, until lightly browned and firm to the touch. Let cool for one hour.

Reduce oven temperature to 250 degrees Fahrenheit. Once cooled, slice logs into half-inch slices on the diagonal and spread out on a baking sheet lined with parchment paper.

Bake for 11 minutes on each side. Let cool completely.

Mix icing ingredients and pipe over cooled biscotti.