Have all of the ingredients measured and ready before beginning. Caramel cooks quickly and there is no time to run off tho find missing ingredients
Put the sugar into a pot with 25 ml water and swirl the pot to combine.
Let the sugar caramelise till deep golden.
Take off the heat and add the butter swirling till it starts to dissolve, then add the brown sugar, cream and golden syrup and put back on a low heat whisking till everything is dissolved.
Bring back to a simmer and add 1/2 the salt flakes.
Pour into a thick sided container to cool a little.
Taste and add extra salt to taste.