Bulgarian Chicken Soup

Ingredients

• chicken thighs, bone-in and skins removed
• of water
• medium onion, diced
• green onions, chopped
• large carrot, finely grated
• of celery, chopped
• small potato, cut into small cubes
• rice
• small tomato, finely chopped
• fresh cilantro, chopped
• salt
• Black pepper
• olive oil
• red wine vinegar
• To settle the soup
• egg
• yoghurt