Cook the aubergines over a direct flame then peel and mash.Melt some of the butter to use for the sauce and add a little flour and mix to a paste.Add the aubergines and mix with the paste.After cooking for 3-4 minutes gradually add the glass of milk and cook for 5-6 minutes. Add 100g of cheese mix well and remove from heat.Place on a serving dish and then add the meat which has been sauteed in the butter.Pour over the sauce made from grated tomatoes and butter and serve hot.