Aloo Chicken - cooking recipe

Ingredients

250 g skinless chicken
250 g potatoes (peeled and cut into big cubes)
1 large onion, sliced
1 tomatoes, chopped
6 garlic cloves (peeled)
1/2 inch gingerroot, minced
1/4 tablespoon garam masala
1 teaspoon cumin powder
1 teaspoon coriander powder
1/2 teaspoon chili powder
1/4 teaspoon turmeric powder
3 -4 cups water (for gravy)
salt
2 tablespoons oil

Preparation

Cut the chicken into 2-3inch pieces.Put the onions,garlic,ginger,salt, chili powder, ground coriander, chicken and 1,1/2cups water in a heavy based pot. cook for 10 to 15 minutes, or until the meat is half cook.
Add oil ,tomatoes and potatoes and cook for 5 to 10 minutes.
then add 3-4 cup water for gravy.and cook for 10 to 15 minutes or until potatoes is tender.then sprinkle Garam Masala.