Orange Biscotti

Directions

1. 1
   Preheat the oven to gas 3/160°C/325°F.
2. 2
   Grease a baking sheet.
3. 3
   Beat together the butter and sugar until smooth. Beat int the egg, then the orange rind, juice, flour, baking powder, cinnamon and polenta.
4. 4
   Tip the mixture on to a lightly floured surface and knead. Place dough on the baking sheet and flatten with the palm of your hand to make a rectangle approx 25 x 18 cm.
5. 5
   Bake for 25 minutes, then remove from the oven and leave to stand for 5 mins until slightly cooled. Using a sharp knife, carefully cut the mixture widthways into thin sticks about 1 cm wide.
6. 6
   Space the cookies out slightly on the baking sheet, then bake for a further 20 minutes until crisp.
7. 7
   When cool, dust with icing sugar.