Teriyaki Mushroom Sauce with Grilled Salmon _ The secret is, teriyaki sauce is really only 3 ingredients. Sure, you can get all fancy & put more, like sesame seeds, a little grated ginger & garlic. But plain & simple, teriyaki sauce is equal parts sugar, sweet cooking wine (mirin) & soy sauce. Though, if you’re like me, & prefer a less-sweet version, I use a lot less sugar!