Cut and clean the pumpkin seed and peel its crust. Put to boil in salted water with a little sunflower oil. When mashing soft water, which is boiled. Add chopped - potatoes, carrots, onion and garlic and add them to the soup. Add spices and processed cheese and leave on medium heat until the other vegetables boiled. When it is prepared broken yolk with yogurt and add the feta cheese into the soup, stirring constantly over low heat. Stirring for about 5 minutes and is ready.