01 -
Heat sugar over medium-low heat, stirring constantly until melted and golden-brown, about 10-15 minutes.
02 -
Remove from heat. Quickly and carefully stir in warm cream. Mix immediately to prevent seizing.
03 -
Add butter one cube at a time, mixing until fully melted.
04 -
Stir in vanilla and salt until well combined.
05 -
Pour into heat-proof container. Cool to room temperature before using.