Here is the recipe
Beef Teriyaki
Kona Café, Polynesian Resort
Yield: sauce will serve 6 to 8 persons
Beef Teriyaki - Sauce
1 cup low-sodium soy sauce
1 ounce sugar
1/4 cup Sake
1/4 cup Mirin
1/2 teaspoon minced garlic
1/2 teaspoon minced ginger
1/4 cup diced green onion
1/2 cup pineapple juice
1/2 cup cornstarch and water
in a saucepan, bring all ingredients, except the cornstarch to a boil. Bring to a boil and reduce to a simmer, then stir in the cornstarch and water mixture. Cook for an additional 10 minutes. Strain the sauce through a colander
Found this on the Dis posted by Rubyslippers.