In a large bowl, mix together the ground beef, cooked rice, chopped parsley, chopped cilantro, chopped mint, grated onion, minced garlic, turmeric, cumin, cinnamon, salt, and pepper until well combined.
Using wet hands, shape the mixture into small oval-shaped balls.
Heat some olive oil in a large skillet over medium heat. Cook the meatballs in batches until browned on all sides. Remove from the skillet and set aside.
In the same skillet, add the yogurt, chopped dill, chopped mint, lemon juice, and salt. Stir well and cook over low heat until heated through.
Return the meatballs to the skillet and simmer in the yogurt sauce for 10-15 minutes.
Serve the koofteh with yogurt sauce hot with rice or bread.