Quick-Marinated Skirt Steak
Fajitas de Arrachera al Carbón·(pah-ree-YAH-dah nor-TEN-yah: fah-HEE-tas day ah-rah-CHAIR-ah ahl car-BONE)
Fin de Semana: Weekend Parrilladas and Sunday Suppers
In Monterrey, the undisputed king of the grill is arrachera, a tough cut of diaphragm meat rescued from obscurity and elevated to a national treasure. While Americanized versions drown fajitas in heavy cumin and dry chili powders, the true secret of a Northern Mexican grandmother is far simpler: a liquid, umami-rich marinade built on salsa inglesa and soy sauce. These humble pantry staples act as a rapid brine, breaking down the fibrous muscle of a supermarket skirt steak and packing it with deep, savory flavor. This is the authentic, charcoal-kissed soul of the borderlands, streamlined for a scorching cast-iron skillet on a busy weeknight.
Before you start
Portion the steak.
Skirt steak often comes in unwieldy, long strips. Cut them into shorter, 6-inch segments before marinating so they fit easily into your skillet.
Ingredients
- skirt steak2 lb
- soy sauce1/3 cup
- Worcestershire sauce1/3 cup
- fresh lime juice1/4 cup
- neutral oil1/4 cup
- garlic5 med cloves
- dried Mexican oregano1 tsp
- black pepper1/2 tsp
- flour tortillas12 med
- green onions1 bunch
- guacamole1 cup
Method
- 01
Marinate the steak.
In a large bowl or zip-top bag, combine the soy sauce, Worcestershire, lime juice, oil, minced garlic, oregano, and black pepper. Add the steak, tossing to ensure every piece is thoroughly coated.
- 02
Let the meat soak.
Let the steak sit at room temperature for exactly 30 minutes. Do not leave it overnight, as the acidic lime juice will turn the meat mushy.
- 03
Max out the heat.
Fire up your charcoal grill to the highest possible heat, or place your largest cast-iron skillet over high heat indoors until it is smoking hot. Turn on your exhaust fan.
- 04
Sear the meat.
Remove the steak from the marinade, letting the excess drip off. Sear for exactly 3 to 4 minutes per side to build a dark, caramelized crust while keeping the interior medium-rare.
- 05
Rest the steak.
Transfer the meat to a cutting board and let it rest for 5 to 7 minutes. This is non-negotiable; it keeps the juices locked inside.
- 06
Slice against the grain.
Look closely at the direction the long muscle fibers are running. Take a sharp knife and slice thinly perpendicular to those lines. If you slice with the grain, it will be unchewable; if you slice against it, the meat will melt in your mouth.
- 07
Serve immediately.
Pile the hot meat into warm flour tortillas alongside grilled green onions and a generous spoonful of guacamole.
Notes
Choose the right cut.
Standard supermarket 'inside skirt' works perfectly for this marinade. If you happen to visit a specialized butcher, ask for the 'outside skirt' and make sure they remove the tough outer membrane.
Add a splash of beer.
If you have a Mexican lager open while you're cooking, add a splash to the marinade. The malty sweetness beautifully balances the acidic lime.