Beef or Chicken Teriyaki

Description
I never use this recipe, but it is a TNT recipe. I make teriyaki sauce to taste (see notes below) the way my mom taught me (we are Japanese). But this is a basic recipe that can be used as a reference for someone who doesn't know how to make it.
 * Contributed by Catsrecipes Y-Group
 * Makes 8 servings

Ingredients

 * 3 – 4 pounds boneless chicken or beef, sliced into serving sized pieces

Marinade

 * 1½ cups water
 * 1 cup soy sauce
 * 1 cup sugar
 * 2½ teaspoons mirin (rice wine vinegar) or sake
 * 2 cloves garlic, crushed
 * 1-inch piece fresh ginger root, crushed or roughly grated

Directions

 * 1) Combine marinade ingredients and pour over chicken.
 * 2) Marinate in the refrigerator at least 24 hours.
 * 3) Grill in skillet or on a flat grill.