1 cup soy sauce
1 cup brown sugar
3/4 cup water
1/2 cup white vinegar
1 tablespoon fresh grated ginger
2 cloves garlic, minced
1 teaspoon red pepper flakes
1/2 teaspoon cayenne

Dissolve sugar in soy sauce, water and vinegar. Add remaining ingredients and mix well.

Use as a marinade for up to 8 hours.