I had a gorgeous hunk of flank steak in our freezer from our quarter cow we bought last year, and carne asada street tacos were calling my name! Typically skirt steak is used for these tacos, but I figured the leaner flank steak would work just as well provided it was marinated in a citrusy sauce for a spell. I decided to cook this via the sous-vide method, but grilling the steak would work just as great.
Total thumbs up all the way around for the tacos! We had plenty of leftovers for another dinner even with my daughter eating three of them in one sitting. I made some fresh pico de gallo to serve these with along with the avocado, but you can use any condiments of choice for these tasty tacos.
Carne Asada Street Tacos: Sous Vide or Grilled
Adapted from Serious Eats
3 whole dried ancho chiles, stems and seeds removed
3 whole dried guajillo chiles, stems and seeds removed
2 teaspoons ground cumin
1 teaspoon ground coriander
2 whole chipotle peppers, canned in adobo sauce
3/4 cup fresh juice from 2 to 3 oranges (I used Cara Cara)
2 tablespoons fresh juice from 2 to 3 limes
2 tablespoons extra-virgin olive oil
2 tablespoons soy sauce
2 tablespoons Asian fish sauce
6 medium cloves garlic, peeled
1 small bunch cilantro, leaves and tender stems only
2 tablespoons dark brown sugar
Sea salt, to taste
1.5 to 2 pounds flank or skirt steak
Warm corn or flour tortillas, lime wedges, diced onion, additional fresh cilantro (or Pico de Gallo), and avocado, for serving
Place dried ancho and guajillo chilies in a glass bowl and cover with boiling water. Let steep for 20 minutes until soft and pliable. Drain water, then transfer chiles to a food processor or blender.
Toast the ground cumin and coriander in a hot dry skillet until fragrant and add to the chiles. (You could toast the seeds and grind yourself, but I’m not that fancy.)
Add the rest of the ingredients except steak and condiments. Blend until a smooth sauce has formed. Transfer half of the sauce to a gallon-sized zip-top bag and refrigerate or freeze the other half in a sealed container for future use.
BONUS! Here’s my quick recipe for homemade Pico de Gallo. Double or triple as needed:
Pico de Gallo
1 Roma tomato, chopped
1/4 cup diced onion
1/2 jalapeño or serrano chile, finely diced
1/4 cup finely chopped fresh cilantro
1 teaspoon lime juice
Salt and pepper, to taste
Mix all the ingredients in a small bowl, and let marinate for an hour or so. That’s it!
For cooking via sous-vide method:
Add steak to the marinade in the bag, squishing around to coat.
Vacuum-seal the bag using the water immersion method. Set temperature on the sous vide to 131 F, then place the bag in the pot and cover with plastic wrap to prevent evaporation. Cook for 24 hours.
After 24 hours, preheat a cast-iron pan on high. Remove the bag from the sous-vide pot, then remove the steak from the marinade and wipe off excess. Discard marinade. Char the steak in the hot pan for a minute or two on each side until well-browned. Transfer to a cutting board and slice thinly against the grain.
Serve immediately with warmed tortillas and garnishes.
For cooking on a grill:
Add steak to the marinade in the bag, squishing around to coat. Squeeze the air out of the bag, seal, then refrigerate for at least 3 hours or up to overnight.
When ready to cook, preheat your grill on one side to the highest temperature. Clean and oil the grilling grate.
Remove steak from marinade and wipe off excess. Place directly over the hot side of the grill. If using a gas grill, cover; if using a charcoal grill, leave open. Cook, turning occasionally, until steak is well charred on outside and center registers 110°F on an instant-read thermometer, 5 to 10 minutes total. Transfer to a cutting board and allow to rest for 5 minutes. Slice thinly against the grain.
Serve immediately warmed tortillas and garnishes.