The National Health Service explains a "portion" to be: two or more small-sized, one piece of medium-sized or half a piece of large fresh fruit; or two broccoli spears or four heaped tablespoons of cooked kale, spinach, spring greens or green beans; or three heaped tablespoons of cooked vegetables; or three sticks of celery, a 5 cm piece of cucumber, one medium tomato or seven cherry tomatoes; or three or more heaped tablespoons of beans or pulses.[13]