Indian Receipe special-Butter Chicken

Butter Chicken
Ingredients:-
3 lbs. chicken drumsticks/ thighs/ sliced breast pieces
1 tbsp. oil
1 tsp. ginger paste
1 tsp. garlic paste
3 tsp. chilli powder (optional)
1 cup yogurt or buttermilk
1 cup sour cream
1/2 tomato puree
4 oz. butter
6 cardamoms
6 cloves
2 sticks cinnamon
3 tsp. salt or to taste
Method :-
Heat the oil in a large saucepan. Fry the ginger, garlic,
cardamoms, cinnamon and cloves on medium low heat
for a minute, and add the chicken with the yogurt or
buttermilk, tomato puree, sour cream, chilli powder
and salt. Cook on medium low heat, stirring
occasionally, for half an hour, keeping the saucepan
covered with a lid. Add butter before serving.