1/2 cup plain yogurt
1/4 cup water
2 tablespoons fresh lemon juice
1 tablespoon distilled white vinegar
1 tablespoon olive oil
1/2 cup chopped onion
2 cloves garlic, minced
1 tablespoon salt
1/2 teaspoon ground black pepper
1/2 teaspoon ground cumin
1/8 teaspoon ground nutmeg
1/8 teaspoon ground cloves
3/4 teaspoon ground mace
1 teaspoon cayenne pepper
5 pounds boneless lamb shoulder, cut into 1/4-inch-thick strips