For the marinade: In a large resealable plastic bag, combine oil, lemon juice, zest, vinegar, garlic and pepper. Add chicken breasts, turning to coat. Marinate in the refrigerator for 1 hour, turning occasionally.
For the tapenade: Combine ingredients in a food processor and pulse until finely chopped. Set aside. Can be made a day ahead.
For the grill rub: Preheat outdoor grill or grill pan to medium heat. Remove chicken from the marinade and discard marinade. Combine the ingredients for the grill rub and season the chicken breasts with the mixture. Grill the chicken for 7 minutes per side or until the juices run clear. Remove from grill and let rest for 5 minutes.
For the orzo: In a large saucepan, add the chicken broth and half the minced garlic. Bring to a boil and stir in the orzo. Cook until al dente, about 8 to 10 minutes. Drain.
Heat a large skillet over medium heat. Add the olive oil and remaining minced garlic. Saute for 30 seconds. Add drained orzo, parsley, salt and pepper. Stir to coat. Remove from heat and keep warm.
To serve, to place lettuce leaves on a serving dish. On another platter, plate orzo. Slice chicken breasts into 1/2-inch strips. Place on top of orzo. Top chicken breast strips with half the tapenade. Place remaining tapenade in a serving dish.
To serve, spoon orzo and chicken strips into a lettuce leaf, top with tapenade, and roll it up burrito style.
A viewer or guest of the show, who may not be a professional cook, provided this recipe. It has not been tested for home use.