Korean Flat Iron Steak Lettuce Wraps with Pickled Vegetables
Tender marinated beef rolls stuffed with caramelized onions, grilled to medium-rare and served in crisp lettuce leaves with bright pickled vegetables and a spicy-sweet dipping sauce. This interactive dish combines gochujang's fermented heat, sesame oil's nutty depth, and fresh herbs for a balanced Korean-inspired meal. Perfect for entertaining: guests assemble their own wraps, choosing from crunchy pickles, fresh mint, cilantro, and toasted garnishes. This version stands out through its three-component approach--marinated beef, layered pickles, and complex dipping sauce--turning a simple grilled steak into a textured, flavor-forward experience.
Ingredients
- 1 pound beef flat iron steaksirloin tip steak1:1lean
slightly less tender
- 1 bulb fennel, thinly sliced, about 1 cup
- 1 small cucumber, julienned, about 1 cup
- ½ cup daikon radish, juliennedjicama1:1crisp
milder, sweeter
- ½ cup carrots, shredded
- 2 teaspoons sugar, for vegetables
- 1 teaspoon salt, for vegetables
- 1 ¼ cup distilled white vinegar
- 1 cup water, for brine
- ½ cup sugar, for brine
- 1 tablespoon salt, for brine
- ¼ cup Korean red chile sauce (gochujang)
- ¼ cup honey
- 8 cloves garlic
- 1 tablespoon reduced-sodium soy sauce
- 2 teaspoons black pepper, freshly ground
- ½ teaspoon sesame oil
- 1 cup onion, sliced
- 6 tablespoons sugar, for dipping sauce
- 2 tablespoons lime juice, fresh
- 1 to 2 tablespoons, Korean red chili sauce (gochujang)
- 1 tablespoon hoisin sauce
- 1 teaspoon garlic, minced
- 1 head Bibb or Boston lettuce
- mint leaves, fresh, torn(optional)
- cilantro leaves, fresh, torn(optional)
- fried garlic(optional)
- peanuts, chopped(optional)
- sesame seeds, toasted(optional)
- lime, wedges(optional)
Instructions
- 1
Combine fennel, cucumber, daikon, and carrots in a bowl with two teaspoons sugar and one teaspoon salt; let sit thirty minutes, stirring occasionally.
- 2
Bring one and one-quarter cup vinegar, one cup water, one-half cup sugar, and one tablespoon salt to a boil in a saucepan.
- 3
Squeeze pickled vegetables dry and place in a large bowl; pour hot brine over to cover completely and refrigerate until cold.
- 4
Slice beef flat iron steak lengthwise into one-quarter to one-third inch thickness; cut into two-inch squares.
- 5
Blend gochujang, honey, garlic cloves, soy sauce, black pepper, and sesame oil until smooth.
- 6
Place beef, marinade, and sliced onion in a sealed plastic bag; refrigerate thirty minutes to two hours.
- 7
Whisk together one-half cup sugar, lime juice, gochujang, hoisin sauce, and minced garlic for dipping sauce.
- 8
Soak four bamboo skewers in water for ten minutes; drain.
- 9
Place two to three onion slices in center of each beef piece; roll tightly into a cylinder and thread onto skewers with space between rolls.
- 10
Grill skewers on preheated covered gas grill seven to ten minutes, turning occasionally, until medium-rare to medium doneness.
- 11
Drain pickled vegetables and arrange on a platter; top with beef rolls.
- 12
Serve with dipping sauce and garnish with mint, cilantro, fried garlic, peanuts, sesame seeds, and lime wedges as desired.
Tips
Filet the steak against the grain and cut into uniform two-inch squares so they cook evenly on skewers and stay tender when grilled.
Squeeze pickled vegetables thoroughly after soaking to remove excess liquid, preventing soggy wraps and allowing them to absorb the hot brine's flavors fully.
Assemble beef rolls just before grilling; onions release moisture as they sit, making tight rolling difficult.
Good to Know
Cooked beef rolls refrigerate up to three days in an airtight container. Pickled vegetables keep up to one week. Dipping sauce keeps five days. Assemble and serve fresh.
Marinate beef up to two hours ahead. Prepare pickled vegetables one day ahead. Make dipping sauce up to one day prior. Grill beef and assemble wraps just before serving for optimal texture.
Arrange beef rolls on a platter with drained pickled vegetables. Set out lettuce leaves, dipping sauce, and garnish components separately so guests build their own wraps. Serve at room temperature or warm.
Common Mistakes
Do not skip the thirty-minute soak for pickled vegetables to avoid them being watery; this allows flavors to meld and liquid to release.
Do not marinate beef longer than two hours to avoid over-tenderizing and mushy texture; the enzymes in gochujang break down muscle quickly.
Do not roll beef pieces too loosely to avoid unraveling during grilling; tuck onions securely and thread skewers through center for stability.
Do not skip soaking bamboo skewers to avoid charring; water prevents burning and keeps skewers intact.
Substitutions
milder, sweeter
slightly less tender
stronger bitter note
FAQ
Can I prepare the beef rolls ahead and grill them later?
Yes, prepare and thread beef rolls onto skewers up to four hours ahead; cover and refrigerate. Bring to room temperature for five minutes before grilling to ensure even cooking. Do not assemble more than four hours ahead as onions release moisture.
What if I don't have a gas grill?
Use a charcoal grill, cast-iron skillet over medium-high heat, or a broiler set to high. Skillet requires about four minutes per side for medium-rare; broiler requires six to eight minutes, watching closely to prevent burning.
How long do pickled vegetables keep and can I make them earlier?
Refrigerated pickled vegetables stay fresh up to one week. Make them one to two days ahead for deeper flavor development. The brine preserves them; discard if liquid becomes cloudy or smell is off.