Teriyaki Marinade

1 garlic clove, finely chopped
1/3 cup dark soy sauce
1 tablespoon mirin
1 tablespoon caster sugar
to make 1/2 cup

or

1/2 cup reduced-sodium soy sauce
1/4 cup sake or mirin
2 tablespoons light brown sugar
2 cloves garlic, minced
1 tablespoon minced fresh ginger
to about 500g of meat