beef (sirloin, ribeye, or strip steak) (about 500 grams), • onions, • garlic, • cornstarch (about 8–16 grams), • thumb-sized piece of fresh ginger, • soy sauce (about 45 ml), • peanut oil (about 45 ml), • light brown sugar or maple syrup (about 12 grams), • fish sauce (about 15 ml), • rice vinegar (about 15 ml), • sesame oil (about 15 ml)