In 3 liters water in ebullition we will let cook pasta foralone 2 minutes.Then pasta must be well drained and put in an oven casserole. To this point to mix tomatoes, 1/4 of liter of water and 45 grams of white of the leeks, the rosemary, the juice of lemon, the shallots, a 1/4 of teaspoon of salt, some pepper and a spoon of oil. To mix of so much in so much maintaining the slow fire, up to when the liquid won't have disappeared (9 minutes).The remaining oil must be heated in frying pan to middle fire. To add 1/4 of salt's teaspoon, pepper and thyme together with the remaining leeks. To mix for others 3 minutes. Then to continue the cooking for 1-2 minutes to taller flame. To add wine and to continue up to when the liquid won't have disappeared (5 minutes). We put back pasta in the oven casserole together with the prepared of leeks and thyme. When we have also added cheese we cover the casserole and we leave for others 5 minutes to rest before serving.