“But the Trinidad Sour elevates bitters to the main spirit. “The Trinidad Sour elevates bitters to the main spirit,” explains Bone Cheng, founder of Bar Tincture. “When designing the Homemade Style [red aperitivo] series for Bar Tincture,” Cheng says, “we wanted to interpret this drink using our own house-made bitters. Bar Tincture’s Trinidad Sour is made with rye whiskey, lime and orgeat. Photo: Jocelyn TamThe specific base for the Trinidad Sour emphasised spices and flavours like cinnamon, clove, nutmeg and “gentian bitterness” (a sharp herbal bitterness).