Heat butter in a pressure cooker.
Add onions, carrots, potatoes, cloves, cinnamon and peppercorns.
Cook, till onions become pale and tansluscent.
Add washed whole tomatoes.
Add around 7 cups of water and pressure cook, until 2 whistles.
Strain the water from the tomatoes into a vessel and after mashing the tomatoes, strain it again.
Grind the tomatoes in the mixer and strain once again.
Discard the seeds and the pith left after straining.
Heat the soup. Stir occasionally, so that it does not get stuck to the bottom of the pan.
Add the corn flour which has been dissolved in 1/2 cup water to the soup, so as to thicken it.
Add salt, freshly ground pepper powder and sugar and cook for 5-6 minutes.
Garnish with bread croutons and chopped coriander leaves.
Put 1 tsp of cream into each bowl before serving.
:- Serve hot.