Beef Teriyaki -8 oz beef flap meat or tenderloin Oil, for pan-frying Marinade 1/2 tablespoon soy sauce 1/2 tablespoon Japanese cooking sake Teriyaki Sauce (Tare) 2 tablespoons soy sauce 2 tablespoons Japanese cooking sake 2 tablespoon sugar 2 tablespoon mirin (sweet rice wine) 1 teaspoon cornstarch (mixed with 1 teaspoon water) Garnishing White sesame seeds Some chopped scallions, optional