Good-Cooking - Oaxacan Style Carne Asada

Ingredients

• 2 bunches scallions, trimmed
• 8 jalapeno, serrano or poblano chiles
• Coarse kosher or sea salt
• Fresh ground pepper
• 2 pound boneless sirloin steak, sliced into broad sheets 1/4-inch thick*
• 16 corn or flour tortillas
• 4 limes, cut into wedges