Prep Time::10 mins
Cook Time::15 mins
Additional Time:: 3 hrs 5 mins
Total Time:: 3 hrs 30 mins
Servings::4
Yield::4 servings
Ingredients
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½ cup reduced-sodium soy sauce
¼ cup rice wine vinegar
¼ cup brown sugar
¼ cup sliced green onions
1 tablespoon minced garlic
1 tablespoon mustard powder
2 pounds flat iron steak
2 tablespoons sesame seeds (Optional)
Directions
Whisk soy sauce, vinegar, brown sugar, green onions, garlic, and mustard powder together in a bowl; pour into a resealable plastic bag. Add the steak, coat with the marinade, squeeze out excess air, and seal the bag. Marinate in the refrigerator, 3 to 4 hours.
Remove steak from marinade and discard remaining marinade.
Heat a non-stick skillet over medium-high heat; cook steak just until outside is browned and seared, about 1 minute per side. Continue to cook until desired doneness is reached, about 5 minutes more per side. An instant-read thermometer inserted into the center should read 140 degrees F (60 degrees C). Remove skillet from heat and allow steak to rest before cutting, 3 to 5 minutes. Sprinkle sesame seeds over steak.
Cook's Note:
The nutrition data for this recipe includes the full amount of the marinade ingredients. The actual amount of the marinade consumed will vary.