Teriyaki Sauce

Ingredients:

• 1/4 cup tamari soy sauce (soy sauce)
• 1 cup water
• fresh grated ginger (about 1 tbsp or to your taste)
• 3 tablespoons brown sugar
• 1 minced garlic clove
• 2 tablespoons cornstarch
• 1/4 cup cold water

Directions:

1. Combine 1 cup water, tamari, brown sugar, garlic and ginger in a saucepan and bring to a boil, stirring constantly.
2. Dissolve cornstarch in 1/4 cup of cold water and add to sauce.
3. Stir constantly to allow the sauce to thicken.
4. If the sauce is too thick add a little water or tamari to thin.

Note: This is not a sweet sauce, so if you want a sweeter one, add a few more TBS sugar or honey
From here.