3 tbsp. Lemon juice (or to taste)
Method
Heat the oil in a wide, heavy saucepan over a medium flame. When hot, put in the cumin seeds. Stir for half a minute. Pour in the ginger-garlic. Stir and cook for about two minutes. Put in the coriander and stir a few times. Put in the chopped tomatoes. Stir and cook for 2 minutes while mashing the tomato pieces with the back of a slotted spoon. Put in the vegetables and salt and one cup of water and simmer them. Cover, turn heat to low and cook for 8-10 minutes or until the beans are tender and steamed and the water has been absorbed. Remove the cover. Add the lemon juice and a generous amounts of freshly ground pepper. Garnish with cilantro.