1. Combine 1/4 cup milk and cornstarch in a jar with a tight fitting lid. Shake vigorously and set aside. 2. Combine remaining milk and next 4 ingredients in a heavy saucepan over medium heat, stirring frequently until chocolate is melted. Reduce heat to low. Shake cornstarch mixture and stir into chocolate mixture. 3. Cook 10 minutes or until mixture thickens and just begins to boil. Remove from heat and stir in vanilla and butter. 4. Cover with plastic wrap with plastic touching surface to prevent skin from forming. Place saucepan in a cold water to cool pudding. 5. Serve warm or chilled topped with strawberries.
