Strain Tat Canned White Beans and put them in a bowl. Add 1/3 vinegar and salt, let it sit for 10 minutes so it can soak the vinegar. Chop the onion finely, add salt, and rinse thoroughly. Chop the parsley and add them to the onions with the beans and mix. Peel and slice the tomatoes. Peel the egg and cut it equally. Chop the green peppers. Garnish the salad with tomatoes, black olives, green peppers and eggs. For the dressing, mix olive oil, vinegar and salt in a bowl, and then pour it on top of the bean salad (piyaz).