Use tart apples like Granny Smith or Jonathon to balance the intense sweetness of the caramel sauce.
The sauce can be made ahead of time and stored in the refrigerator. Reheat gently in the microwave before serving.
This sauce is also delicious drizzled over popcorn or served with cream cheese on the side for dipping.
Be cautious when microwaving as the mixture can bubble up and scorch if left unattended.