Korean beef flank steak is a delicious and easy-to-make dish that is perfect for any occasion. This recipe combines the bold flavors of Korean cuisine with the tenderness of flank steak, resulting in a mouthwatering meal that will leave your taste buds wanting more. In this tutorial, we will take you through the steps required to make this dish.


  • 1 lb. flank steak
  • 1/4 cup soy sauce
  • 2 tablespoons brown sugar
  • 2 tablespoons sesame oil
  • 4 cloves garlic, minced
  • 1 tablespoon grated ginger
  • 1 tablespoon rice vinegar
  • 1 teaspoon red pepper flakes
  • Salt and black pepper to taste
  • Garnish: sesame seeds and sliced green onions (optional)


Step 1: Prepare the Flank Steak

Step One:

Begin by preparing the flank steak. First, you need to clean the meat by rinsing it under cold water and patting it dry with paper towels.

Step Two:

Next, place the flank steak in a shallow dish or container.

Step Three:

In a separate bowl, mix together soy sauce, brown sugar, sesame oil, minced garlic, grated ginger, rice vinegar, red pepper flakes, salt and black pepper.

Step Four:

Pour this marinade over the flank steak until it is completely coated on both sides.

Step 2: Marinate and Cook the Flank Steak

Step Five:

Cover the dish with plastic wrap and marinate the steak for at least 30 minutes or up to 2 hours in the refrigerator.

Step Six:

After the marinating time is over, remove the flank steak from the fridge and let it come to room temperature for about 10-15 minutes.

Step Seven:

Preheat your grill or a pan over medium-high heat. Once hot, place the flank steak on it and cook for about 5-6 minutes per side or until it reaches your desired level of doneness.

Step 3: Serve

Step Eight:

Once cooked, remove the steak from heat and let it rest for 5 minutes before slicing it against the grain into thin strips.

Step Nine:

Serve hot, garnished with sesame seeds and sliced green onions if desired.

Cooking Tips:

  • Make sure to not overcook the flank steak as it can become tough and rubbery.
  • If you don’t have a grill, you can use a cast iron skillet or any other oven-safe pan to cook this dish.

In conclusion, Korean beef flank steak is an easy-to-make dish that packs a punch of flavor. You can serve it as a main course with rice or noodles or even use it as a filling for sandwiches. This recipe is perfect for anyone looking to add some Asian-inspired flavors to their cooking repertoire!