Cabbage leaves stuffed with rice filling with olive oil (zeytinyagli lahana dolma)

Ingredients : for 4 person
1 cabbage (2 kg), olive oil (50 gram), 1 lemon juice, salt (15 gram), rice filling (without dill)
Preparation : Open the cabbage leaves, remove the hard part. Chose the suitable part for filing and cook in the big pan with salted water for 10 minutes. Cabbage leaves should be very soft, over cooked leaves tear easily. Take them from the water, drain and cool. Fill the each leaves with rice fdling. Fold the two sides over the filling and roll it on like a finger. Put them into cooking pan, add lemon juice, olive oil, salt and 200 gram water. Cover and cook on low heat for 70 minutes. Serve with lemon slice.