Clean chicken and cut into medium sized pieces.
Marinate the chicken with turmeric powder, 2 tsp of salt and pepper powder for 2 hrs.
Place the chicken pieces in an oven at 200 degrees celsius for 20 mins.
Heat sunflower oil in a pan or a kadai.
Fry the onions with curry leaves in it, till onions turn golden brown.
Add chilly powder, coriander powder, soy sauce, garam masala, sliced tomatoes and chicken stock into it and make a thick paste.
After 20 mins in the oven, drain the excess fluid in the oven and add the chicken into the thick paste.
Add 3 cups of boiling water.
Mix well and cook over a medium flame for 20 mins.
Add salt to taste.
Add coconut milk at this stage and cook for a furthur 10 mins.
Switch off the flame when the gravy is reasonably thick.
Garnish with coriander leaves.
:- Serve hot.