Butterscotch Sauce
["1 lb. light brown sugar", "1/4 lb. butter", "pinch of salt", "3/4 c. light Karo syrup", "3/4 c. heavy cream or light", "1 tsp. vanilla"]
["Bring first 4 ingredients to a boil, without stirring, and add cream gradually.", "Boil again.", "When cool, add vanilla extract."]
["light brown sugar", "butter", "salt", "light Karo syrup", "heavy cream", "vanilla"]