Chocolate Bourbons

Name: Chocolate Bourbons
Prep time: 20 min
Cook time: 45 min
Total time: 45 min
Yield: 25 pieces
Ingredients: 110 g unsalted butter; 110 g light brown sugar; 30 g golden syrup; 170 g self-raising flour; 60 g cocoa powder; 60 g cornflour; 30 g water; 1 pinch fine sea salt; 75 g unsalted butter; 150 g icing sugar; 30 g cocoa powder; ½ tsp vanilla extract; 3 tsp water