Ingredients

  • 1/4 cup fresh lemon juice
  • 1/4 cup pineapple juice
  • 1/4 cup sherry
  • 1/4 cup soy sauce
  • 3 tbsp. butter, melted
  • 1 tbsp. freshly ground black pepper
  • 3 whole dried chiles de arbol, crushed
  • 1 clove garlic, finely chopped
  • Zest of 2 lemons
  • Zest of 1 orange
  • 2 skirt steaks (about 3 lbs.), trimmed and halved
  • crosswise
  • 6 tomatillos, husked and rinsed
  • 2 small serrano chiles, stemmed
  • 2 ripe avocados, such as hass, gwen, or frey, peeled,
  • seeded, and chopped
  • 1/2 cup sour cream
  • 1/4 cup chopped cilantro leaves
  • Salt
  • 6 tbsp. canola oil
  • 2 red bell peppers, cored, seeded, and thickly sliced
  • 2 yellow onions, thickly sliced
  • Warm flour tortillas

Method

  • 1. Combine fruit juices, sherry, soy sauce, butter, pepper, chiles de arbol, garlic, and zests in a large dish; add steaks; turn to coat. Cover; marinate for 2 hours.
  • 2. Bring a large pot of water to a boil. Add tomatillos and serrano chiles and cook until tender, 8-10 minutes. Drain and transfer to a blender. Add avocados; blend until smooth. Transfer to a large bowl and stir in sour cream, cilantro, and salt to taste. Cover surface with plastic wrap and refrigerate.
  • 3. Heat 3 tbsp. oil in a large cast-iron skillet over medium-high heat. Add peppers, onions, and salt to taste. Cook, stirring occasionally, until softened and beginning to char, 8-10 minutes. Transfer to a plate and set aside. Wipe out skillet. Heat 1 tbsp. oil in skillet over medium-high heat. Working in batches, cook steaks, flipping once, until well browned, adding remaining oil as needed, 7-8 minutes per batch. Transfer to cutting board, tent with foil, and let rest for 10 minutes. Cut steaks crosswise into finger-size strips. Transfer to a platter, along with collected juices and peppers and onions. Serve with tortillas and green sauce.