This is a basic recipe, but you could do half white sugar and half brown sugar if you wanted for a slightly different flavor
1 cup sugar
1/2 cup corn syrup
1 cup cream
1/2 cup butter
1tsp vanilla
Cook sugar, corn syrup, butter, and half the cream until they begin to boil, then add the rest of the cream. Cook till between 242 and 250, stirring every now and then, remove from heat an stir in vanilla, and pour into a very lightly greased pan
Refrigerate them till cool, then bring them back to room temp to cut them