Mr. Yoshida's Original Gourtmet Sauce is a blend of sweet and savory -- soy sauce, garlic and other flavorings - http://www.mryoshidas.com/flavors.asp for more information and where to buy. I have used this sauce for years and it is delicious as a marinade or glaze on chicken, fish, beef, pork - you name it.
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*Sesame Oil comes in different strengths. The sesame oil I use has an extremely strong sesame flavor, so I use only 1 teaspoon. Taste the sesame oil you are planning to use first, then make the decision as to how much you need and make the adjustment according to what you like. If using more Sesame Oil, use less canola oil and vice versa.