500g thinly sliced unpeeled cucumbers
1 medium red onion, thinly sliced
175g caster sugar
1 level tbsp salt
120ml cider vinegar
1 tsp finely chopped fennel, optional
- Put the slices of cucumber, onion and fennel into a large bowl. Mix the sugar, salt and vinegar together and pour over the cucumber and onion.
- Cover tightly and store place in the fridge. Leave for at least 4-5 hours or overnight before using.
- Keeps for weeks in the fridge.