Stir cream and coffee in large microwavable bowl until well blended. Add caramels, Microwave on high 2-3 minutes. Stirring every minute. Stir until caramels are completely melted. Stir in nuts and cinnamon. Spoon mixture into crust.Spread top evenly with knife. Refrigerate for 1 hour or until firm. Cut into slices and drizzle tart with melted chocolate.