Shish Taouk Spiced Chicken Kebabs with Garlic Yogurt Sauce

Name: Shish Taouk (Spiced Chicken Kebabs with Garlic Yogurt Sauce)
Ingredients: 10 cloves garlic, mashed into a paste; 1⁄2 cup lemon juice; 1⁄4 cup olive oil; 2 tbsp. Aleppo pepper; 1 tbsp. ground cumin; 1 tbsp. ground coriander; 1⁄2 tbsp. dried mint leaves; Kosher salt and freshly ground black pepper, to taste; 1 lb. boneless, skinless chicken thighs, cut into 2″ pieces; 1 cup plain yogurt; 10 fresh mint leaves, finely chopped