Cola blocks

Prep time: 30 mins

Freezing time: 2 hours

2 oranges, roughly chopped

1 lemon, roughly chopped

2 limes, roughly chopped

3 cups water

1 vanilla pod (halved lengthways)

1 cinnamon stick

4 star anise

1 small knob ginger

1 tbsp instant coffee

2 cups raw sugar

juice of 1 lime to serve

Squeeze oranges, lemon and first measure of limes into a saucepan. Drop in fruit and add water. Scrape seeds from vanilla into saucepan. Add cinnamon, star anise, ginger, coffee and honey and bring to the boil. Reduce heat and simmer for 10 minutes. Remove from heat and leave to stand for 10 minutes. Strain and pour into ice block moulds. Place in freezer for approx. 2 hours or until frozen.

To serve: pop ice blocks out by dipping moulds into boiling water, then slide out.