To make Caramel Candy Sauce: In sauce pan, bring butter to boil; boil 1 minute. Stir in brown sugar. Bring to boil; boil 1 minute. Add water; boil 30 seconds. Add cream and corn syrup. Bring to boil; boil vigorously 10 minutes. Remove from heat. Mix in vanilla extract. Cool; refrigerate, covered. Heat over double boiler to serve.