Teriyaki spices are a combination of ingredients that are used to create the popular Japanese dish. The main spices used in teriyaki are ginger, garlic, and soy sauce. Ginger is an important part of the flavor profile, and it is often used as one of the main ingredients in the marinade. It adds a subtle sweetness and a spicy kick to the dish. Garlic adds a savory depth of flavor, while soy sauce adds a salty umami flavor. Together, these spices create a unique and delicious flavor that is enjoyed around the world.