salt, and let stand between two heavy plates while browning meat and making sauce. In frying pan melt the 4 tablespoons butter and in it saute meat and onions until meat is browned. Add tomato paste, parsley, wine, salt and pepper, and water. Simmer until liquid is absorbed. Cool. Stir in cinnamon, eggs, cheese and half the bread crumbs. Make sauce: In saucepan melt the 6 tablespoons butter over low heat. Add flour and stir until well blended. Remove from heat. Gradually stir in milk. Return to heat and cook, stirring, until sauce is thick and smooth. Add salt and pepper to taste and the nutmeg. Combine egg yolks with a little of the hot sauce, then stir egg mixture into sauce and cook over very low heat for 2 minutes, stirring constantly. Brown eggplant slices on both sides in hot oil. Grease an ovenproof casserole and sprinkle bottom with remaining bread crumbs. Cover with layer of eggplant slices, then a layer of meat, and continue until all eggplant and meat is used, finishing with a layer of eggplant. Cover with sauce, sprinkle with grated cheese, and bake in a 350-degree oven for 1 hour. Serve hot.