Take water in the pot and let it boil add tomato, half onion and 2 cloves garlic boil this for 4 to 5 mins

Now cool this, and remove the skin of tomato and grind this mixture in the grinder.

Now put the pot on the gas and add butter toss the finely chopped onion and garlic Saute it. Now add the grinded mixture of tomato. Add the water,sugar salt and pepper powder.

Cook this for 4 to 5 min