In a large, shallow nonreactive dish or plastic bag, combine all ingredients
except steak and tortillas. Add steak; turn to coat. Cover, or close bag, and marinate
in refrigerator, turning occasionally, 3 to 24 hours.
Remove steak from marinade, reserving marinade. Grill or broil steak, turning
once, until done.
Meanwhile, in small saucepan, bring reserved marinade to a boil; boil 1 minute.
To serve, thinly slice steak and serve in warm flour tortillas with boiled marinade
and, if desired, grilled red and green bell pepper rings.