When you hear “steak sandwich” you might be thinking something that’s super heavy like they make in the great city of Philadelphia. Sure, I’ll never turn down one of those beauties, but when it’s really hot out in the summer I want a sandwich that is crisp and light.

These Korean steak sandwiches are everything. Filling, flavorful, but still light enough to eat on a hot day. The steak is perfectly seasoned with a Korean chili marinade and can either be grilled or pan-seared. Add the sliced steak to a good roll with spicy mayo and a spicy crunchy veggie salad and sink your teeth in!

You can serve the steak warm or chilled actually on the sandwiches. Either way is delicious and makes for a great lunch or dinner option. Usually, I’m a fan of some sort of cheese on a sandwich, but didn’t miss it on these bad boys.

Korean Steak Sandwiches

4 from 5 votes
Author: Nick Evans
Servings: 8 Sandwiches
Prep Time: 30 minutes
Cook Time: 30 minutes
Total Time: 1 hour
Slighty spicy and sweet flank steak sliced thin and stuffed in a roll with spicy mayo and a crunchy veggie salad.

Ingredients 

  • 2 pounds flank steak
  • ¼ cup soy sauce
  • ¼ cup gojuchang chili paste
  • ¼ cup rice wine vinegar
  • 1 lime
  • 2 tablespoons honey

Spicy Mayo:

  • ½ cup mayonnaise
  • 2 tablespoons sriracha chili sauce

Crunchy Salad:

  • 1 cucumber, seeded and sliced
  • 1 cup sprouts
  • ½ red onion, sliced thin
  • 1 red jalapeno, sliced thin
  • 8 sturdy rolls
  • Black sesame seeds, opt.

Instructions

  • Whisk together soy sauce, gojuchang, rice vinegar, lime juice, and honey in a large bowl. Add flank steak and coat well. Let marinate for at least 30 minutes or you can make well in advance.
  • Two ways to cook flank steak:
  • – On Grill, cook over medium-high heat for 5-6 minutes per side. As the flank steak cooks, spoon over extra marinade to create a glaze on the steak. Cook until steak reaches an internal temp of at least 135-140 degrees F. in the thickest part of the steak. Remove, cover with foil, and let rest for 10 minutes before slicing against the grain.
  • – In a skillet, preheat oven 350 degrees F. Add steak to a large cast iron skillet over medium-high heat. Cook for 4 minutes per side to get a nice sear on the steak. Spoon extra marinade over the steak and put it in the oven to finish cooking. Roast for 5 minutes. Check temperature. It should reach 140 degrees F. in the thickest part of the steak. Might need an extra minute or two in the oven depending on thickness of the steak. Remove, cover with foil and let rest for 10 minutes before slicing against the grain.
  • Stir together spicy mayo and make crunchy veggie salad.
  • Make sandwiches by smearing on some spicy mayo and adding a bed of crunchy veggies. Top with a few slices of steak (or chop the steak depending on the texture you like). Add sesame seeds if you want and serve!

Nutrition

Serving: 1sandwich | Calories: 412kcal | Carbohydrates: 31g | Protein: 30g | Fat: 18g | Saturated Fat: 4g | Polyunsaturated Fat: 7g | Monounsaturated Fat: 5g | Trans Fat: 0.03g | Cholesterol: 74mg | Sodium: 890mg | Potassium: 571mg | Fiber: 2g | Sugar: 7g | Vitamin A: 86IU | Vitamin C: 11mg | Calcium: 79mg | Iron: 3mg
Course: Main Dishes, Sandwiches
Cuisine: American, Korean

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Korean Steak Sandwiches

The only thing you need to cook for these delicious sandwiches is the steak!

Flank steak works best in my opinion but you could use a wide range of cuts.

Mix together the marinade ingredients in a large bowl and add the steak. Let this sit for at least 30 minutes but you could make it well in advance also.

Korean Flank Steak Sandwiches
A good marinade.

You can either cook the steak on the grill or in a pan. If you want to grill it, just grill it over medium-high heat for 5-6 minutes per side and baste the steak with the marinade as it grills. The steak should reach about 140 degrees F. in the thickest part when it’s done.

This time around though I decided to cook mine in a skillet. If you want to do that, just heat a large cast iron (oven safe) skillet over medium-high heat. Then sear the steak for about 4 minutes per side.

Korean Steak Sandwiches
Could also grill!

Again, I spooned over extra marinade as it cooked which forms a nice glaze on the steak. Once the steak is seared on both sides, transfer it to a 350 degree F. oven to slowly roast and finish cooking.

5-6 minutes in the oven should get you to the ideal temperature.

Korean Steak Sandwiches
Nice crust.

Whether you grill or pan-sear the steak, when it’s done wrap it tightly in foil and let it rest for 10 minutes. Then slice it thinly across the grain.

This is ready for sandwiches!

Korean Steak Sandwiches
Oh yea…

Serving note: This steak is also fantastic served over rice with some veggies!

Finishing the Sandwiches

While the steak cooks (or in advance) mix together the spicy mayo for the sandwiches. This adds some creaminess to the sandwiches. Don’t skip it!

Korean Steak Sandwiches
Quick spread.

In a separate bowl, stir together some sprouts, cucumber, red chili, and red onion. Scrape the seeds out of the cucumber and cut it into thin strips.

This is a really nice sandwich addition. Adds tons of crunchy and freshness to the sandwich.

Korean Steak Sandwiches
Some crunch!

You know the rest of the deal from here. Take a good roll and smear on some mayo. Then top with some crunchy veggies, a few slices of steak, and some sesame seeds.

The sesame seeds are optional, but add some extra crunch.

Korean Steak Sandwiches: Slighty spicy and sweet flank steak sliced thin and stuffed in a roll with spicy mayo and a crunchy veggie salad. One of the best steak sandwiches. Surprisingly light and refreshing! | macheesmo.com
LOVE.

These Korean steak sandwiches are so much fun to make and perfect for a lazy summer meal.

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Korean Steak Sandwiches: Slighty spicy and sweet flank steak sliced thin and stuffed in a roll with spicy mayo and a crunchy veggie salad. One of the best steak sandwiches. Surprisingly light and refreshing! | macheesmo.com