Ilish macher matha 2, cut into - 2 pieces Salt and turmeric for marination Mustard oil - 4 tablespoons Nigella seeds - 1/2 teaspoon 3to 4 Slitted green chillies • Butternut Squash peeled and diced - 1 cup Eggplant diced- 1 cup • Potato peeled and diced - 1 cup Malabar spinach or pui shaak - 2 bunch, chopped 2 tsp Salt to taste Turmeric - 1/2 teaspoon