Combine all ingredients in a bowl and stir or whisk until sugar is dissolved. Some soy sauces are saltier than others. If your marinade's too salty, try adding 1 teaspoonful of water at a time to dilute the saltiness to taste. Keep in mind as you're tasting, though, that the juices from the meat will also dilute the flavors.
Let the meat marinate for at least 1 hour. 3 to 6 hours or so ideally. 90 minutes before you're going to grill it, take it out of the fridge to bring the meat up to room temp. Meat almost always cooks better at room temp. (I mean, unless it's a crazy hot or crazy cold day, of course...)
Grill over a pre-heated medium grill for about 3 minutes per side for something medium rare-ish. (And on these really chunky strips, when I say side, I mean all four of them.)
Let the meat rest for 7 to 10 minutes before slicing.
Enjoy!
