Cucumber Onion and Tomato Salad

Slice the red onion into slices
Peel and slice the cucumber, (you could then cut each slice into fourths, depending on the thickness)
In a bowl mix the water with the vinegar and oil
Stir in the salt and pepper to taste
Pour the liquid over the cucumber, tomato and onion mixture
Stir to combine well
Refrigerate for up to an hour before serving
Enjoy!