Servings: 6

1/3 c soy sauce ⅓ c soy sauce
1/3 c light-brown sugar ⅓ c light-brown sugar
¼ c sliced scallions/onions ¼ c sliced scallions/onions
1 Tb sesame oil 1 Tb sesame oil
1 Tb sesame seeds 1 Tb sesame seeds
2 tsp chopped garlic 2 tsp chopped garlic
1 tsp minced fresh ginger 1 tsp minced fresh ginger
1 flank steak (about 2 lbs) 1 flank steak (about 2 lbs)

Stir all ingredients except steak together in a bowl.
Fold flank steak into thirds. Place in a large Ziploc. Pour mixture into the bag and seal. Let meat marinate in fridge for 2 to 4 hours.
(If you like, place into a second bag, label, and freeze for up to 2 months. Thaw bag in refrigerator for 2 days before cooking.)
Heat grill or broiler. Remove steak from bag, and place marinade in small saucepan and bring to a boil. Reduce heat and simmer 5 minutes.
Grill or broil steak for 5 minutes per side or until meat registers 135°. Allow meat to rest for 5 minutes before slicing.
To serve, thinly slice meat against the grain and serve with marinade.

Marinade takes a while, so plan ahead.  Marinade takes a while, so plan ahead.