Cooking oil spray, for greasing
3/4 cup white sugar
330g butter, chopped, softened
2 cups plain flour
1 tsp ground ginger
2 1/4 cups pure icing sugar
1/4 cup golden syrup
Extra 1 Tbsp ground ginger
Note: Allow 1 hour chilling
Preheat oven to 180°C. Grease a 25 x 16cm slice tin with cooking oil spray and line with baking paper. Put sugar and 250g of the butter in a medium bowl. Beat using an electric hand mixer until light.
Add flour and ginger and stir until well combined.
Transfer to prepared tin and smooth surface with a spoon.
Prick all over with a fork.
Bake for 25-30 minutes or until golden. Set aside to cool.
Meanwhile, put icing sugar, syrup, extra ginger and remaining butter in a saucepan over a low heat. Cook, stirring, until mixture is smooth.
Spread icing over slice. Put in fridge for 1 hour or until set. Cut into 20 fingers to serve.