My wife made this a few times, it just melts in the mouth.
2 cups brown sugar
1/4 cup milk
6 Tablespoons Butter (approx 1/2 cup)
1 Teaspoon Vanilla essence
2 cups Icing sugar
1/2 cup mixed nuts or dried fruit (optional)
Mix sugar, milk, butter and vanilla together, bring to boil over medium heat Boil for approx 2 mins.
Remove from stove, add Icing sugar and stir quickly,mixing thoroughly,
(add nuts or fruit at this point)
Pour into a buttered pan
Cut while still warm ( hardens fast)
Enjoy the sweetness.