Start buy cracking the chocolate in a bowl.
Take your double cream in a jug.
Start to heat up the cream on a medium heat.
When it bubbles like this remove it from the heat.
Pour over the chocolate and stir stir stir.
Till its like this.
Leave to cool before using for about 5 minutes then use to your liking.
I made enough for 2 big chocolate cakes but I was left with at least more than half because you don't need it all. Please note the supplies list measurements are only for 1 big cake.