This lentil, cucumber and olive salad is really easy to create as it can be made using ready cooked or tinned lentils. If you don't have any, just cook a cup of  green or brown lentils for 15 minutes (with a bay leaf and a garlic clove put in the cooking water), drain and cool before continuing with the recipe. Serve it with toasted pita bread or wholesome rolls. Perfect for parties, picnics and lunch-boxes too!