boneless, skinless chicken breasts (about 500 grams) • saj flatbreads (or large flour tortillas) • medium onion • bell peppers • tomato • plain yogurt (120 ml) • Juice of 1 large lemon and 1 orange • olive oil (60 ml) • mustard • dark soy sauce • Salt and black pepper • (Curry powder, paprika, ground cinnamon, garlic powder, onion powder, 7-spice blend, chili powder, dried thyme) •