c("Combine sugar, tapioca, and salt in a saucepan; stir in milk and egg.", "Let stand 5  minutes.", "Add chopped chocolate squares and instant coffee.", "Cook, stirring over medium heat, until mixture comes to a full boil and chocolate is blended, about 15 minutes.", "Remove from heat and stir in vanilla.", "Cool for 20 minutes; stir and chill.", "Serve  with whipped topping if desired.")