Heat oil in a saute pan large enough for the whole recipe.
Add the ground paste and cook on medium for about 3 minutes.
If necessary add a few tablespoons of water to prevent the spices from burning.
You will know the spices are cooked when you get a nice aroma in the house.
Next, add the chopped tomatoes and tomato paste. Stir well.
Add the chicken pieces and coat well with the mixture.
Add one cup of water and stir.
Cook for about 8 to 10 minutes until the chicken is cooked.
Add sour cream and stir well.
Check and adjust seasoning.
Sprinkle with more chopped cilantro before you serve.