Rinse beef, put in cold water and bring to boil. Add 1 whole onion. Reduce heat and gently boil for 1.5 hrs.
Rinse rice and add to beef soup.
Cut remaining onion and sauté till golden brown. Add tomato paste and tkemali, mix and sauté for a few minutes. Add the mixture to soup.
By now rice has been boiled for about 10 min. Grind walnuts and garlic together, add this mixture and cook another 15 min. In the end, add spices (ground black pepper, coriander, dried hot red pepper, dried basil, bay leaf, etc), cook for 5 more minutes, add half of finely chopped fresh herbs and after 2 min remove from heat. Let stand for about 10 min and serve with the rest of fresh herbs.