preheat the pan or griddle to medium heat. Cut the chicken into thin slices, place in a medium bowl and add the olive oil, garlic, lemon juice, and spices. mix with hand or fork until all the chicken pieces are fully coated.
Place the chicken on the griddle and allow to cook for 5-7 minutes while stirring every few minutes. Remove from griddle and place in a warm flat-breads top with green peppers, onions, and pickles. pour tzatziki sauce on top and enjoy!
Place all the ingredients in a bowl and stir with a whisk for 30-45 seconds. For a more creamier texture place in a food processor for 30 seconds. Refrigerate and serve cold.