Preparation :
Cut halfway into the cabbage and remove its center. Put 3 glasses of water and 2 tablespoons of salt into a pan. Put the cabbage without its center in the pan, close the lid and boil over high heat until leaves are soft. Take out the cabbage and let it cool. Remove the hard and veined parts, cut cabbage into pieces the size of a hand and leave aside. Place 1 tablespoon margarine and diced onions into a pan. SAute until the color of the onions changes, then add 1 glass of water and the washed rice, cover and cook for 10 minutes over moderate heat. Remove from heat, add the ground meat. 1/2 tablespoon of salt and black pepper; mix together for about 5 minutes. Take small amounts of the filling and put it on the boiled cabbage pieces. Fold cabbage from both right and left, and roll as if rolling a cigarette, place each rolled cabbage piece into a pan. Put 2 tablespoons margarine, and tomato paste melted in 2 glasses of water in the same pan, cover with a plate then close the lid and cook over moderate heat for about 30-40 minutes. Place is a serving dish and serve.