Preparation :
Soakthe beans in water overnight. Boild beans in fresh water till they are tender. After they are cooked, leave the beans to stand in water until it cools down. Then, strain the beans and put them in a bowl. Pour 3/4 glass of vinegar and put some salt onto the beans and let them stand in vinegar for 3 hours. Remove beans from the vinegar, drain them and place the beans in another bowl. Slice the onion in crescent shapes; put some salt on the slices and rub and press them by hand. Wash the oinions. Chop the parsley, then add the onion slices and chopped parsley to the beans and mix well. Slice the tomatoes into thin slices. Put the tomato slices and olives decoratively on top of the beans, at the sides of the bowl. Cut each hard boiled egg into four and slice the green pepperones. placethe egg and green pepperone slices in the center of the bowl decoratively. Put 1 teaspoon salt, the rest of the vineagr and 4 tablespoons of olive oil in a separate bowl. Blend well together. Pour the dressing onto the beans according to taste.