04Cook 1 tortilla at a time directly over gas flame or in skillet until heated, 10 to 15 seconds per side.
05Arrange tortillas on work surface. Spoon filling in strip down center of each. Top with cheese, onions, and sprinkle of lime marinade. Fold in sides of tortillas.
06Often called pasillas; available at some supermarkets and at specialty foods stores and Latin markets.