What is it: Uniquely flavored milk with a dark syrup-like coating that offers a rich and creamy caramel aroma. How is it made: Black sugar is essentially white cane sugar that hasn’t been refined yet. It is typically made by boiling sugarcane juice until it turns into a dark syrup. Available bases: Black sugar adds a distinctively delicious touch to flavored milk bases such as taro, chocolate, sesame, or just regular milk. Substitutes: Substitutes are possible with soy and coconut milk.