Combine soy sauce, balsamic vinegar, vegetable oil, honey, garlic, ginger and scallions in a large ziploc bag. I swirled the ingredients around so they were well combined
Place steak in the marinade bag and place in refrigerator for 10-24 hours.
Remove steak from bag and throw away leftover liquids.
Cook the steak to your desired doneness.
Let the steak rest for 10 minutes to allow it to soak up its juices.