Heat butter in pan add cumin seeds add garlic , chopped onions, leeks and celery ,bellpepper and saute for few min ,
Add tomatoes and cook till mashed with little water add salt ,sugar and basil, pepper pdr
put in a blender and make a fine pure and strain
add butter in a pan add 1 tsp of flour and cook in very slow flame till it is slightly brown add strained puree and add water ,season your soup ,check seasoning ,add cream if you desire
serve hot
enjoy cooking with vahrehvah