Peel off the skin of the Ridged gourd and cut into small cubes.
In a pressure cooker add the rigded gourd pieces, chopped tomato and slited green chilly , tamarind add enough water and pressue cook it.
Heat little oil in a pan, pop cumin and add the chopped onion and fry until soft and add it to the cooked ridged gourd add salt. mash it with the back of the spoon.
(If it is too watery , cook it for few more mins after mashing it)
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