1: Marinate the chicken with olive oil, garlic, allspice, salt, citric acid, oregano, paprika, chili flakes, and vinegar.
2: Let the chicken marinate for a while to enhance the flavors.
3: Cook the marinated chicken in an oven or on a grill until fully cooked and slightly charred.
4: Slice the chicken thinly and serve in pita bread with your choice of toppings.