In a bowl, combine the chicken breast pieces with the Greek yogurt, half of the garam masala, and half of the turmeric.
Let the chicken marinate for at least 15 minutes to tenderize the meat.
Rinse the basmati rice under cold water until clear, then cook with 0.5 cup of water in a small pot until fluffy.
Heat the ghee in a large skillet over medium heat and sauté the diced yellow onion until translucent.
Stir in the minced garlic and grated ginger, cooking for 1 minute until fragrant.
Add the tomato puree, remaining garam masala, turmeric, sea salt, and black pepper to the skillet.
Add the marinated chicken to the sauce and simmer for 8-10 minutes until the chicken is cooked through.
Stir in the full-fat coconut milk to create a rich, creamy texture and heat through.
Serve the spiced chicken over the cooked basmati rice and garnish with fresh chopped cilantro.