1: Marinate the chicken breasts in yogurt, tomato paste, lemon juice, oil, salt, black pepper, red pepper, garlic powder, onion powder, and curry.
2: Grill or cook the marinated chicken until fully cooked.
3: For the yogurt sauce, mix together yogurt, mayonnaise, a pinch of parsley, garlic powder, onion powder, and salt.
4: Slice the cooked chicken and serve it in tortillas or pitas with the yogurt sauce.