Preparation time: 5 minutes
Cooking time: None

225g/8oz cucumber
3 tomatoes
1 (410g) can cannellini beans, drained
1 (200g) tuna chunks in spring water, drained
1 (85g) bag watercress
30ml/2tbsp fat free French style dressing

Thickly slice the cucumber then cut each slice into quarters. Cut the tomatoes into chunks. Mix the cucumber, tomatoes, beans and tuna together. Drizzle over the dressing then toss together with the watercress leaves. Serve.