Grandma Couch's Caramel Sauce

Ingredients:
1 cup unsalted butter
2 1/4 cup brown Sugar
dash of salt
1 cup light corn syrup
1 15oz (1 cup) can of Sweet and Condensed milk
1 tsp vanilla

Melt butter in a large sauce pan. Cook over medium heat using a wooden spoon. Add sugar and salt stir thoroughly and add in corn syrup, mix well. Gradually add sweet and condensed milk stirring constantly. Cook to firm ball stage or 245 degrees. Remove from heat and add vanilla. Pour into buttered 9x9 pan. Cool and cut into squares.

For dipping sauce remove pan from heat as soon as it starts to boil and add vanilla