Salted Caramel (for brownies ect)

150g / 5.1/2 oz granulated sugar
pinch salt
125ml / 4fl oz double cream
10g / 1/4oz softened butter

Melt sugar in pan over medium heat until a dark brown colour.  Remove from heat, carefully add salt & half cream.  Once settled, add remaining cream and butter.  If lumpy, slowly heat until smooth.