Add the flour, bicarboante of soda, ground ginger, cinnamon and butter to a food processor or mixing bowl. Mix together until you get the consistency of breadcrumbs
Stir in the sugar
Whisk the egg together with the golden syrup and mix into the dough in the food processor or mixing bowl.
Remove the dough and leave it to cool in the fridge for a minimum of 30 minutes
Pre-heat the oven to 180C/160C Fan/Gas 4/ 360F. Roll out the dough to a thickness of about 0.5cm. Cut out the shapes and place on grease proof paper a baking tray, leaving at least 3cm / 1 inch between each shape. Bake on the middle shelf of the oven for 12 - 15 minutes until lightly golden.
Leave to cool for 10 minutes then transfer to a cooling rack. When they are properly cold, decorate!