Finely chop one onion and mince three cloves of garlic. In a large bowl, combine the ground beef, onion, garlic, parsley, ground cumin, ground coriander, salt, and black pepper. Mix thoroughly with your hands or a spoon until well incorporated.

Cover the beef mixture with plastic wrap and refrigerate for 30 minutes.

Shape the beef mixture into oval patties or mold around skewers for kebab-style koftas.

Preheat your grill or a grill pan over medium-high heat for about 5 minutes.

Carefully place the koftas on the hot grill and cook for 8-10 minutes, turning occasionally.

In a bowl, combine yogurt, minced garlic, lemon juice, and a pinch of salt and black pepper. Mix until smooth and creamy.