Iced variation: Omit heating the milk and pour over ice cubes in glasses.
Butterscotch rum variation: Add 1 tbsp (15 mL) dark rum to each mug with heated milk.
Butterscotch coffee variation: Add 1 espresso shot to each mug with heated milk.
Feel free to add as much Butterscotch Sauce to suit your liking when making your cup.
Storage: Cover and refrigerate remaining Butterscotch Sauce for up to 3 weeks. To reheat sauce, place in microwave-safe bowl or in a saucepan over low heat until proper consistency.