Braise onion in oil until light brown. Add chopped tomato, masala, tumeric, ginger, garlic, and salt. Let simmer until oil comes on top.
Then add mince or chicken, etc. Let it cook for 10 minutes and then add potatos. (If using beef chunks, let it cook for 30 minutes before adding potatos.)
Let simmer until potatos are tender, NOT MUSHY. They should be firm. You can also put in par boiled cabbage, beans, or cauliflower.Servings: