1. Okay so the ingredients for this are not what you'd expect to go into Cola. A couple of the ingredients are harder to source than the rest, but...

2. In a heavy based pot over a medium heat, bring 2 cups of water to a simmer. Add the zests, cinnamon, nutmeg, star anise, lavender, ginger, vanil...

3. If you have a food processor to hand it is best to whirl the sugars together then transfer them to a large bowl. If you don't have a food proces...

4. Line a sieve or colander with a double thickness of cheesecloth or muslin. Place this on top of the bowl containing the sugars.Once the ingredie...

5. Stir the sugars and the flavourful hot liquid until the sugars are dissolved. This can take a few minutes as there is a lot of sugar.

6. Jar the syrup and chill in the fridge. Once chilled, mix 1/4 cup of syrup with 1 cup of soda water (seltzer). It doesn't taste like store bought...