A good marinated skirt steak is too good to bury under a heavy sauce, so I don't. I gave this one - a richly marbled wagyu skirt steak - a 30-minute miso marinade, sear it hard and fast, and let a slab of sesame compound butter melt over the top while it rests. That's it. The marbling on a skirt steak this nice means it cooks in about two minutes a side, and the miso - white miso, soy, mirin, a little yuzu and ginger - soaks in just deep enough to caramelize into a savory crust without fighting the beef. Then the butter shows up and quietly steals the whole plate.
The sesame butter is the part nobody sees coming. It looks like a small thing - softened butter, toasted sesame, garlic, ginger, a little soy - but it hits the hot, just-sliced beef and turns glossy, and then people go quiet. I serve this over my quinoa fried rice with charred shishitos on the side, and it eats like a steakhouse dinner I happened to make on a Tuesday. If you like cooking the good cuts at home, it's the same school as my wagyu strip steak and my sous vide ribeye.
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Why You'll Love This Marinated Skirt Steak
- The marbling does the work - a wagyu skirt steak cooks to medium rare in about two minutes a side.
- The miso marinade needs 30 minutes, not a plan. Overnight is even better.
- The sesame compound butter is the sleeper. You do not see it coming.
- One hot pan or grill, no special equipment, restaurant-quality results.
- It's built to go straight over quinoa fried rice for a full plate.
Marinated Skirt Steak Ingredients
Two short components - the marinade and the sesame butter - and most of it is pantry stuff if you cook Japanese-leaning food at all. See the recipe card below for exact quantities.
- For the miso marinade:
- White miso
- Soy sauce
- Mirin
- Yuzu juice
- Fresh ginger
- Toasted sesame oil
- Wagyu skirt steak (or any skirt steak)
- For the sesame compound butter:
- Unsalted butter, softened
- Toasted sesame seeds (black and white)
- Toasted sesame oil
- Soy sauce or tamari
- Garlic
- Fresh ginger
- Scallion or chives
- Flaky salt
- Optional: gochujang or red pepper flakes
How to Make Marinated Skirt Steak
Marinate first, make the butter while it sits, then cook fast and rest. Exact quantities and times are in the recipe card below.
Marinate the steak
Whisk the white miso, soy sauce, mirin, yuzu juice, grated ginger, and sesame oil until smooth. Coat the wagyu skirt steak all over, cover, and refrigerate at least 30 minutes - or overnight for deeper flavor.
Make the sesame butter
Mash the softened butter with the toasted sesame seeds, sesame oil, soy sauce, minced garlic, grated ginger, sliced scallion, and a pinch of flaky salt. Add gochujang or red pepper flakes if you want heat. Roll into a log in parchment and chill until firm.
Sear hot and fast
Thirty minutes before cooking, pull the steak from the fridge and let the excess marinade drip off. Heat a grill or cast iron skillet to high. Grill 1 to 2 minutes per side for medium rare. The thin cut and the marbling mean it cooks fast - don't walk away.
Rest it, tented
Move the steak to a board and rest about 5 minutes, loosely tented with foil. It's a thin cut, so it doesn't need long - the foil keeps it hot enough to melt the sesame butter over the slices in the next step.
Slice and serve
Slice the steak thin against the grain and top with slices of the sesame butter so it melts into the warm beef. Serve with grilled shishitos or scallions, over quinoa fried rice.
Substitutions
- Wagyu skirt steak. Regular skirt steak works beautifully and is what most people will reach for. Flank, hanger, or flap steak also take this marinade well - they're just leaner, so don't overcook them.
- White miso. Yellow (shinshu) miso is an easy stand-in. Red (aka) miso works too but is saltier and bolder, so pull back the soy a touch.
- Yuzu juice. No yuzu? Use a mix of fresh lemon and lime juice for that same bright, floral acidity.
- Soy sauce. Tamari makes the whole thing gluten-free. Coconut aminos for a soy-free version (it'll read a little sweeter).
- Scallion. Chives work in the butter, or finely sliced garlic chives if you have them.
Variations
- Spicy. Stir gochujang or chili crisp into the sesame butter, or add a pinch of red pepper flakes to the marinade.
- Herb-forward. Fold cilantro or shiso into the butter along with the scallion.
- Steak bowls. Pile sliced steak over quinoa fried rice with quick-pickled cucumbers and a soft egg.
- Lettuce wraps. Tuck slices into butter lettuce with rice, scallion, and a smear of the sesame butter.
Storage
Keep sliced leftover steak in an airtight container in the fridge up to 3 days, and wrap the sesame butter log tightly to keep it up to 1 week. Skirt steak is best barely reheated so it doesn't toughen - warm slices in a low 275°F oven just until the chill is off, or eat them cold over a salad with a fresh slice of the sesame butter on top. The compound butter freezes beautifully for up to 3 months; slice off what you need straight from frozen. Cooked steak can be frozen up to 1 month, though the texture is best fresh.
Top Tip - Slice Against the Grain
Slice it thin and against the grain. Skirt steak has long, obvious muscle fibers, and if you slice with them you get chewy ropes no matter how nicely you cooked it. Look for the direction the lines run, then cut straight across them in thin slices.
That one move is what makes a wagyu skirt steak melt-in-your-mouth tender instead of a workout.
About 1.5 pounds feeds 4 as a main, especially served over quinoa fried rice with a side. If you're using a rich, marbled wagyu skirt steak, the same 1.5 pounds easily stretches to 6 as part of a bigger spread.
About 5 minutes, tented loosely with foil. Skirt steak is thin, so it doesn't need the 10-minute rest a thick roast does - and resting it under foil keeps it hot enough to melt the sesame butter over the slices.
Yes. Thirty minutes gives you plenty of flavor, but overnight in the miso marinade is even better - the steak gets deeper, more savory, and slightly more tender. Don't go past about 24 hours, since the salt in the miso will start to firm up the texture.
Either, as long as it gets truly hot. A grill gives you a little char and smoke; cast iron gives you an even, edge-to-edge crust. Both want high heat and just 1 to 2 minutes a side for medium rare.
More from Whisk & Wine
If this skirt steak earned a spot in the rotation, here's what to cook next - same idea, same payoff: a great cut, treated simply, finished with confidence.
More Beef & Steak Recipes
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📖 Recipe
Miso Marinated Skirt Steak with Sesame Butter
- Total Time: 55 minutes
- Yield: Serves 4
Description
A wagyu skirt steak with a quick miso marinade, seared hot and fast, and finished with a slab of melting sesame compound butter. Sliced thin against the grain and served over quinoa fried rice - restaurant-quality at home in under an hour, and the sesame butter is the sleeper hit.
Ingredients
- For the miso marinade:
- ¼ cup white miso
- 3 tablespoons soy sauce
- 2 tablespoons mirin
- 1 tablespoon yuzu juice
- 1 tablespoon grated fresh ginger
- 1 teaspoon toasted sesame oil
- 1 ½ pounds wagyu skirt steak
- For the sesame compound butter:
- ½ cup (1 stick) unsalted butter, softened
- 2 tablespoons toasted sesame seeds (a mix of black and white)
- 1 tablespoon toasted sesame oil
- 1 tablespoon soy sauce or tamari
- 2 cloves garlic, finely minced or grated
- 1 teaspoon finely grated fresh ginger
- 1 tablespoon thinly sliced scallion or chives
- Flaky salt, to taste
- Optional: 1 teaspoon gochujang or a pinch of red pepper flakes
Get Recipe Ingredients
Instructions
- In a bowl, whisk the white miso, soy sauce, mirin, yuzu juice, grated ginger, and 1 teaspoon sesame oil until smooth.
- Add the wagyu skirt steak and turn to coat all over. Cover and refrigerate at least 30 minutes (or up to overnight).
- While the steak marinates, make the sesame butter. In a second bowl, mash the softened butter with the toasted sesame seeds, 1 tablespoon sesame oil, soy sauce, garlic, grated ginger, scallion, and a pinch of flaky salt. Stir in the gochujang or red pepper flakes if using.
- Roll the butter into a log in parchment paper and refrigerate until firm.
- Thirty minutes before cooking, take the steak out of the fridge and let the excess marinade drip off.
- Heat a grill or cast iron skillet to high.
- Grill the steak 1 to 2 minutes per side for medium rare.
- Move the steak to a board and rest 5 minutes, loosely tented with foil.
- Slice the steak thin against the grain.
- Top the slices with slices of the sesame butter and serve with grilled shishitos or scallions, over quinoa fried rice.
Notes
- Slice against the grain. Skirt steak has long, obvious fibers - cutting straight across them in thin slices is what keeps it tender.
- Let the excess marinade drip off before the steak hits the heat - the miso and sugars in it can scorch over high heat.
- The sesame butter keeps, wrapped, up to 1 week in the fridge or 3 months in the freezer. Slice off what you need straight from frozen.
- About 1 ½ pounds of skirt steak feeds 4 as a main over rice, or stretches to 6 as part of a larger spread.
- Prep Time: 15 minutes
- Cook Time: 5 minutes
- Category: Dinner
- Method: Grill
- Cuisine: Japanese
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