Cut the chicken into bite-sized pieces.
Finely chop the onion and garlic.
Melt the butter in a pan.
Sauté the chicken pieces until cooked, then remove from the pan.
In the same pan, sauté the onion and garlic.
Add tomato paste and spices, then stir-fry.
Return the chicken to the pan and mix thoroughly.
Pour in the heavy cream and bring to a simmer.
Season with salt to taste.