: Place condensed milk, sugar, butter, glucose and golden syrup in a bowl
: Microwave on 70% power, uncovered, for 8-10mins stirring every 2 minutes with a whisk. Do this until the mixture comes to the boil.
: Microwave on 70% power for a further 5-6 mins, stirring every minute with a wooden spoon. You want your mixture to be thick and golden.
: Stand mixture for 2 mins until bubbles subside.
: Add white chocolate and stir until it melts.
: Pour mixture into a pan lined with baking paper.
: Stand at room temperature for 3 hours and then refrigerate until set.