Mix the flour, baking powder, sugar, almonds, cinnamon and gingerbread spice in a large bowl. Add the butter, eggs, honey and milk and combine everything to a smooth mixture. Transfer the cake mixture to the prepared tin.
Bake For approx. 50-55 mins. in the bottom half of an oven preheated to 180°C. Remove from the oven, allow to cool a little, remove from the tin and leave to cool on a rack.
Dust the Lebkuchen cake with icing sugar before serving.