Ingredients

  • 2 1/2 teaspoons vegetable oil or bacon drippings, divided
  • 3 cups (1/4-inch-thick) sliced onion, separated into rings (1 medium)
  • 6 small serrano chiles, quartered lengthwise
  • 3/4 teaspoon salt, divided
  • 1 1/2 tablespoons fresh lime juice
  • 1 (1-pound) flank steak, trimmed and cut into 1/4-inch strips
  • 12 warm corn tortillas
  • 3/4 cup bottled green salsa

Method

  • Heat 1 teaspoon oil in a large nonstick skillet over medium-high heat. Add onion and chiles; saute 6 minutes. Sprinkle onion mixture with 1/4 teaspoon salt; stir in lime juice. Remove onion mixture from pan. Add 3/4 teaspoon oil to pan. Sprinkle steak with 1/2 teaspoon salt. Place half of steak in a single layer in pan; cook 2 minutes on each side. Repeat procedure with 3/4 teaspoon oil and remaining steak.
  • Divide steak and onion mixture evenly down center of each tortilla. Top each taco with 1 tablespoon salsa; roll up.