Chop turkey breast into 1-inch cubes.
Combine marinade ingredients in a medium-sized bowl: nut paste, ginger garlic paste, coriander powder, cumin, black pepper, lemon juice, salt, yogurt.
Stir turkey into marinade and let sit for a few minutes.
In a medium, non-stick frying pan, combine oil, butter, garlic, ginger and green chilis over medium heat.
Increase to high heat and add turkey and its marinade.
Cook for 3-5 minutes.
Once it boils, add a couple of tablespoons of water and turn the heat down to simmer. Cover and cook for 25 minutes.
Uncover and add a splash of cream. Cook for another 5 minutes to thicken.
Finish with garam masala, kasuri methi, and freshly squeezed lemon juice.