Ingredients:
- 3 large lemons
- 250g granulated sugar
- 250 ml tonic water
- 1 egg white
- 15 - 30 ml gin (optional, but worth it)
Here’s what you do:
Step 1 - Scrub the lemons and then strip the zest from them and squeeze the juice out.
Step 2 - Put the lemon juice an...