If you find it difficult to source neroli oil, use petitgrain, bergamot, or bitter orange oil instead. Cassia oil is also called cinnamon oil. If possible, use pure essential oils, as these will have a superior taste. Purchase essential oils from a health store or online.
Don’t add extra caffeine to the recipe, as high doses can make you unwell. Caramel coloring doesn’t affect the flavour of the cola, it simply gives the colour a pale brown colour. Purchase caramel coloring and caffeine from a speciality foods store. Store any unused flavoring in an airtight container in the fridge.
Purchase gum arabic from a speciality foods store.
If you want to keep the syrup to use at a later date, place it in an airtight bottle or container in the fridge.
Carbonated water and sparkling water also work as mixers.
If you are using a thin glass, use a metal straw to stir the syrup and soda water.
Avoid leaving the cola in a fridge to cool, as it will lose some of its bubbles.
Clean recycled soda bottles work well for storing cola.
