Tomato, cucumber & coriander salad

For ➍
6 ripe vine tomatoes, deseeded & chopped
1 small cucumber, diced
1 red onion, very finely chopped
6 tbs fresh coriander, chopped

Mix together the tomatoes, cucumber, red onion, and chopped coriander. Season just before serving.
Serve as such or with sardines on toast.