Ingredients 
1 large carrot
1/2 cucumber
1 medium red onion
8 cherry tomatoes, quartered
Handful of fresh corriander
Juice of one lime or lemon
Salt and Pepper

Method
Peel and finely chop the carrot and red onion and place in a bowl.  Finely chop the cucumber and corriander and add to the bowl with the quartered tomatoes.  Season and add the lemon or lime. Stir thoroughgly to mix.