In heavy non-aluminum saucepan, cook milk over medium- high heat 2 to 3 minutes or until tiny bubbles begin to appear around edges of pan. Remove from heat.
In blender, place chocolate chips, egg product, espresso, sugar and salt. Cover; blend on low speed 20 seconds or until smooth. With blender on low speed, add milk in slow, steady stream; blend 1 minute or until smooth.
Pour 1/3 cup chocolate mixture into each of 12 (5-oz) glasses. Cover and refrigerate 4 to 24 hours. Top with whipped cream. Garnish with berries and mint leaves.