In a saucepan, put sugar, cornstarch, and salt. Then stir in milk. Bring to a boil, stirring constantly over medium heat. Cook for 2 to 3 minutes until mixture thickens. Stir in vanilla.
Pour the pudding to molds rinsed in cold water. Chill in refrigerator for at least 1 hour or until firm.
Enjoy with some ground cinnamon or fresh mint sprig!