Beef Kofta Kebabs

Name: Beef Kofta Kebabs
Ingredients: 2 lbs 85/15 ground beef; 1/2 yellow onion, grated on a box grater; 4 garlic cloves, minced; 1/4 cup fresh parsley, minced; 3 tablespoons fresh mint leaves, minced; 2 teaspoons lemon zest; 2 teaspoons paprika; 2 teaspoons ground cumin; 2 teaspoons ras el hanout; 1 teaspoon ground coriander; 2 teaspoons sumac; 2 teaspoons kosher salt; 1 cup plain greek yogurt or skyr; 2 tablespoons fresh lemon juice; 2 garlic cloves, roughly chopped; 1/4 cup roughly chopped cilantro; 1/4 cup roughly chopped mint leaves; 1 tablespoon olive oil; kosher salt; freshly cracked black pepper