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Grilled Steak Tacos with Jalapeño Crema

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Grilled Steak Tacos marinate skirt steak, grill it hot, and pile it into charred tortillas with quick-pickled onions and a roasted jalapeño crema.

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Taco night gets a serious upgrade with three components working together: a quick cumin-lime marinade for the steak, bright quick-pickled onions for crunch and acid, and a roasted jalapeño crema that's smoky, cool, and just spicy enough. Char the jalapeños properly and this crema alone will get requested again.

Everything can run in parallel — start the onions pickling and the jalapeños charring while the steak marinates, so by the time the grill's hot, all three components are ready to assemble. It's a bit of a production, but every part earns its place.

Prep30 minutes plus 1 hour marinating
Cook15 minutes
Total1 hour 45 minutes
Serves4 servings (about 12 tacos)
DifficultyMedium

Ingredients

  • 1½ pounds skirt steak
  • 3 tablespoons fresh lime juice
  • 2 tablespoons olive oil
  • 3 garlic cloves, minced
  • 1½ teaspoons ground cumin
  • 1 teaspoon ancho chile powder
  • 1½ teaspoons kosher salt
  • ½ teaspoon black pepper
  • 1 small red onion, thinly sliced
  • ½ cup apple cider vinegar
  • ½ cup hot water
  • 1 tablespoon granulated sugar
  • 1½ teaspoons kosher salt
  • 2 jalapeños
  • ¾ cup sour cream
  • ¼ cup mayonnaise
  • 2 tablespoons fresh lime juice
  • 1 small garlic clove
  • ½ teaspoon kosher salt
  • 2 tablespoons chopped cilantro
  • 12 small corn tortillas
  • ½ cup crumbled cotija cheese
  • ½ cup chopped cilantro
  • Lime wedges

Instructions

  1. 1Whisk the lime juice, olive oil, garlic, cumin, ancho chile powder, salt, and pepper. Coat the steak and refrigerate for 1 hour.
  2. 2Place the sliced onion in a bowl. Stir the vinegar, hot water, sugar, and salt together until dissolved, then pour over the onion. Let stand for at least 30 minutes.
  3. 3Char the jalapeños on a grill or under the broiler until blistered all over, 5–7 minutes. Stem them and remove the seeds for a milder crema.
  4. 4Blend the jalapeños, sour cream, mayonnaise, lime juice, garlic, salt, and cilantro until smooth. Refrigerate until needed.
  5. 5Heat a grill to high. Remove the steak from the marinade, pat off the excess, and grill for 3–5 minutes per side, until 128–133°F for medium-rare.
  6. 6Rest for 8 minutes, then slice very thinly across the grain and chop into bite-size pieces.
  7. 7Warm the tortillas on the grill for 20–30 seconds per side.
  8. 8Fill each tortilla with steak, drained pickled onion, jalapeño crema, cotija, and cilantro. Serve with lime wedges.

Pro Tips

  • Char the jalapeños until properly blistered and black in spots, not just lightly toasted. That real char is what gives the crema its smoky depth.
  • Let the onions pickle a full 30 minutes minimum. Less time and they're just vinegary raw onion instead of that bright, tangy crunch.
  • Slice the rested steak thin and chop it into bite-size pieces — skirt steak's grain is strong, and small pieces make every taco easy to eat.

Substitutions

cotija cheese → crumbled feta or queso fresco Cotija is salty and firm; feta is a close substitute, queso fresco is milder.
skirt steak → flank steak or flat iron Both take the marinade well; adjust grill time to thickness.
corn tortillas → small flour tortillas Corn is traditional here, but flour works if that's your preference.

Storage Instructions

Store the steak, pickled onions, and crema in separate airtight containers in the refrigerator for up to 3 days. Warm the steak briefly before assembling fresh tacos.

Make Ahead

The pickled onions and crema can both be made up to 3 days ahead and refrigerated — they actually improve with a little time. Marinate and grill the steak the day you plan to serve.

Frequently Asked Questions

Can I make Grilled Steak Tacos with Jalapeño Crema ahead of time?

The pickled onions and crema can both be made up to 3 days ahead and refrigerated — they actually improve with a little time. Marinate and grill the steak the day you plan to serve.

How do I store leftover Grilled Steak Tacos with Jalapeño Crema?

Store the steak, pickled onions, and crema in separate airtight containers in the refrigerator for up to 3 days. Warm the steak briefly before assembling fresh tacos.

Can I freeze Grilled Steak Tacos with Jalapeño Crema?

Freeze the raw marinated steak for up to 2 months and thaw overnight before grilling. The crema and pickled onions don't freeze well, so make those fresh.

What should I serve with Grilled Steak Tacos with Jalapeño Crema?

Set everything out taco-bar style with extra lime, hot sauce, and a cold Mexican lager. Black beans or Mexican rice round out the meal.

Can I adjust Grilled Steak Tacos with Jalapeño Crema for the ingredients I actually have?

Mostly, yes. The skirt steak is the most forgiving place to improvise, followed by the lime juice — see the Substitutions section for the swaps that hold up. Keep the ratios close and taste before serving.

What is the most common mistake when making Grilled Steak Tacos with Jalapeño Crema?

Char the jalapeños until properly blistered and black in spots, not just lightly toasted. That real char is what gives the crema its smoky depth.

How long does Grilled Steak Tacos with Jalapeño Crema take?

About 1 hour 45 minutes from start to finish, including 15 minutes of active cooking. Most of it is hands-on, so plan to stay near the stove.

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