Combine the ginger, black mustard seeds, and 0. 5 cups (4 fl oz / 120 ml) of the stock or water in a blender, cover, and process until the seeds are completely crushed.
Pour in the remaining liquid and process for another 30 seconds, then set aside for later use in your SHUKTA vegetable stew.
Place the cumin seeds and fennel seeds in a small, cast-iron frying pan.
Dry-roast them over low heat until they darken a few shades, then let them cool for a few minutes, coarsely crush them, and set aside to be used as a garnish.
Heat the ghee or oil in a heavy-bottomed 4-quart pan over moderate heat.
When hot but not smoking, add the fenugreek seeds and fry until they darken a few shades to a golden brown.
Drop in the cassia or bay leaf, turmeric, brown sugar, and waxy potatoes.
Fry the potatoes while tossing with a wooden spoon for about 4 to 5 minutes.
Add the chopped tomatoes, sweet potato, and green beans, stir-fry for a few minutes, then pour in the mustard-ginger water and bring the mixture to a full boil.
Add the eggplants, lima beans (or peas), half of the minced fresh coriander, and the salt.
Reduce the heat to low, cover, and simmer for 30 to 35 minutes or until all vegetables are perfectly fork-tender.
Check occasionally to ensure the vegetables are cooking in sufficient liquid.
Before serving this comforting SHUKTA vegetable stew alongside rice or fresh bread, sprinkle the surface with the remaining fresh herb and the dry-roasted cumin and fennel seed mixture.
Let It Rest: Like most heavily spiced stews, the flavor profile of this dish deepens significantly as it cools slightly. Take the pan off the heat and let it rest covered for 10 minutes before serving.