In a bowl combine the marinade ingredients in the specified quantities. Ensure the powders and sugars are well combined.
1/4 cup Kikkoman low sodium soy sauce, 1/4 cup Mirin, 1 tbsp rice vinegar, 3 tbsp water, 2 tbsp evaporated cane sugar, 1/4 tsp ground ginger, 1/4 tsp granulated garlic, 1/2 tsp Cayenne