1In a bowl, combine cubed chicken breast, lemon juice, yogurt, ground coriander, other spices, salt, pepper, minced ginger, and minced garlic. Massage until combined and let marinate.
2In a large pan, heat up ghee and fry the marinated chicken until nicely charred and colored. Set aside.
3In the same pan, add more ghee and fry red onions, minced ginger, minced garlic, and spices. Add passata, tomato paste, water, cinnamon stick, salt, and tandoori masala.
4Add the fried chicken, cover the pan, and simmer on medium heat for 15 to 20 minutes.
5Finish with heavy cream, and top with cilantro. Serve with naan.