Leave aside 2 scoop of ice cream and the chocolate sauce and add rest of the ingredients in a blender jar.
Churn it for 2 minutes 3-4 times giving a break of 2 minutes between each churn
In 2 tall glass drizzle chocolate sauce on the inside. Pour the cold coffee in thhe glasses.
Top it with a scoop of vanilla ice cream and chocolate sauce
Serve immediately. Enjoy