3 BOTTLES Laura Lynn Yum Yum White Sauce Japanese Steak House Shrimp Hibachi3 Fresh Bottles, shipped for FREE to your USPS address. Laura Lynn's Yum Yum sauce is the secret behind some of the most delicious Japanese recipes. This is the light colored condiment served at hibachi restaurants. Laura Lynn's is a Japanese steak sauce that adds a rich, mildly sweet flavor to your favorite cuts of beef. You can use it with seafood, pork and poultry, too. Mix a small amount of the sauce in with steamed white rice for a special treat.