Introduction: What Is a Halal Gyro? A halal gyro is a type of sandwich made with either lamb or chicken that has been prepared in accordance with Islamic law. The meat is usually marinated in a mixture of spices and then grilled or roasted. The word "halal" means "lawful" or "permissible" in Arabic, and when it comes to food, it refers to anything that is allowed under Islamic dietary guidelines. In order to be considered halal, the animal must b...