Moroccan Lamb Kebabs

Name: Moroccan Lamb Kebabs
Ingredients: Skewers, 8-10; Fresh cilantro, 1/4 cup, chopped; Fresh lemon juice, 2 tablespoons; Salt, 1 teaspoon; Black pepper, 1/2 teaspoon; Ground cinnamon, 1/2 teaspoon; Ground turmeric, 1 teaspoon; Ground paprika, 1 teaspoon; Ground coriander, 1 teaspoon; Ground cumin, 1 teaspoon; Garlic, 4 cloves, minced; Olive oil, 1/4 cup; Lamb leg or shoulder, 2 pounds, cut into 1-inch cubes; Plain yogurt, 1 cup; Fresh mint leaves, 1/4 cup, chopped; Garlic powder, 1/2 teaspoon