1/2teaspooncoarse sea saltplus more, to taste (for sauce)
Instructions
In a bowl, mix together whole milk, heavy cream, granulated sugar, salt, and vanilla extract. Pour the mixture into an ice cream maker and churn it following the manufacturer's guidelines.
In a saucepan over medium heat, mix brown sugar, corn syrup, and heavy cream. Cook for 5 minutes, or until the candy thermometer reads 230°F.
Stir in butter, vanilla, and coarse sea salt into the caramel mixture. Let it cool.
In a 9-inch loaf pan, alternate layers of churned ice cream and drizzles of cooled caramel sauce. Cover and freeze until firm, about 2 hours.