Combine lime juice, garlic, pepper, oil, cilantro, salt and pepper. Marinate chicken covered in refrigerator 1 hour or as long as overnight. Grill on barbecue grill (over mesquite if desired) until done. Cut in bite-size strips. Place on warm flour tortillas and add desired toppings -shredded lettuce, tomato, salsa, pico de gallo, guacamole and/or sour cream. Makes 4 to 6 servings. "From Chronicle files, May 1986. The recipe is from La Mansion del Rio in San Antonio. " By Lou Parris <lbparris@earthlink.net> on May 13, 1997