1. Cut the chicken breast into bite-sized cubes and season with sea salt and black pepper.
2. Heat the ghee in a large skillet over medium heat and sear the chicken until golden brown, then remove and set aside.
3. In the same skillet, sauté the diced onion, grated ginger, and minced garlic until softened and fragrant.
4. Stir in the garam masala, turmeric, and cumin, toasting the spices for one minute to release their oils.
5. Pour in the tomato puree and coconut milk, stirring to combine and bringing the sauce to a gentle simmer.
6. Return the chicken to the skillet and cook for 5-7 minutes until the sauce thickens and the chicken is cooked through.
7. In a separate pan, lightly sauté the cauliflower rice for 3-5 minutes until tender but not mushy.
8. Serve the chicken tikka masala over the cauliflower rice and garnish with fresh chopped cilantro.