In a saucepan, I combined the soy sauce, vinegar, garlic, black pepper, white and brown sugar, ground ginger, cold water and cornstarch. I mixed it well with a spoon and heated it until it got nice and thick.
Here's the homemade teriyaki sauce all mixed up:
Here's the teriyaki sauce with some heat:
Next, I poured the sauce over the chicken, making sure to cover every inch!
I placed the dish uncovered in a 400 degree oven and bake for approximately 35 minutes.
Here's what came out of the oven:
I served with rice and broccoli and it was fabulous! It was a little sweet, but I'm sure you can add less sugar if you don't like a really sweet teriyaki. I would also line the pan with foil because that sauce was a pain to scrub off the sides of my Pyrex dish! Try it, then let me know how it turns out!