(1) How to make Toffee Crunch Ice Cream. (2) First, In a saucepan, combine the egg, sugar and salt. (3) Second, Gradually add milk. Cook and stir over medium heat until mixture reaches 70 degrees C and coats the back of a metal spoon. (4) Third, Remove from the heat. Whisk in chocolate, then add cream, coffee and vanilla. (5) Next, Refrigerate for at least 2 hours. (6) Finally, Fold in Dime bars and nuts. Fill cylinder of ice cream freezer.