A teaspoon of vanilla essence or nearly a tablespoon of dim rum or a coffee flavoured liqueur for example Kalua or Tia Maria (optional but fantastic) The moment it receives to the rolling boil, stir constantly and cook for 3 full minutes. This is vital for getting that Toffee texture. https://livebackpage.com/story5972205/5-essential-elements-for-christmas-crack-recipe