Orange syrup is a syrup based on oranges and with orange taste.How to make orange syrup? Take 50g of sugar and 25cl pure orange juice. Pour the orange juice and the sugar into a pan and bring to boil.Let is boil for 5 minutes. Let is cool and your orange syrup is ready.Orange syrup is not that often used in cocktail recipes. It adds that typical orange taste.Send us your cocktail recipes with orange syrup and we'll bring them online.