Preheat the oven to 180°C/Fan 160°C /Gas 4.
Chop the walnuts into small pieces. In a bowl, combine the sugar, beaten egg, honey and oil, then add the flour, ginger, walnuts and spices and mix well.
Divide the mixture into 24 pieces, shape into a round and flatten slightly. Place on greased baking trays, with room between to spread.
Bake for about 12 minutes until golden brown – transfer from the baking sheets onto a baking rack to cool.