Melt butter in a large frying pan over medium heat.
Add brown sugar and cream. Whisk until smooth.
Simmer gently over medium-low heat for 5 minutes, stirring frequently.
Mix in salt and vanilla extract, then remove from heat.
Cool slightly before serving. Enjoy!
Notes
Be very careful when handling the freshly made sauce. It's hot! Let it cool slightly before using, which will also allow the sauce to thicken.Make sure to read the info before the recipe card for tips and step-by-step photos, ideas for using the sauce, storage info, and so much more!