Cauliflower Cheese

• 1 medium-sized cauliflower with green leaves
• salt

Remove the outer leaves and wash well both the cauliflower and the leaves. Put not more than 2.5cm of water in a saucepan just large enough to take the cauliflower, add a little salt. Chop the leaves into small pieces and either leave the cauliflower whole or cut in quarters; place the cauliflower on top of the green leaves in the saucepan, cover and simmer until the cauliflower is cooked, appr