Line a 9 inch square tin with foil and lightly grease

In large microwaveable bowl empty caramel tin and break in all the white chocolate

Microwave for 1 minute then stir. Return to microwave for a further 30 seconds and stir. If not completely melted return to microwave for another 30 seconds

Once fully melted give mix a good stir and pour into prepared tin.

Smooth the top and refrigerate for 3 hours until set. Cut into 16 squares and serve