You need 1 ingredient. The key ingredients include: ["The lentils and Vegetables", "1/3 cup of green lentils", "1/3 cup of Pui lentils", "1/3 cup of Masoor Dal [skinned and split lentils, which are orange in color]", "2 tablespoons butter", "1 and 1/2 cup finely chopped onions", "1 and 1/2 cup roughly chopped ripe tomatoes", "3/4 cup of peeled and diced calabassa/calabaza squash", "3/4 cup peeled and diced winter melon", "3/4 cup diced Indian or Japanese eggplant", "3/4 cup diced Yukon Gold potatoes", "2 cups [packed] baby spinach leaves", "2-3 cups of water", "For Dhaan Shaak Masala /Spice paste", "1 tablespoon coriander seeds", "1/2 tablespoon cumin seeds", "2 dried red chillies, about 2 "" long [Indian variety]", "2 cloves", "2 whole cardamom pods", "1/8 teaspoon cinnamon powder or a couple of hefty pinches", "2 large cloves of garlic", "2 green chillies about 3"" long [Indian variety]", "1/2 tablespoon freshly chopped ginger", "2 tablespoons of cilantro leaves [no stems please]", "for Dry Masala Garnish", "5 whole cardamom", "5 cloves", "5 peppercorns", "for Garnish", "1/4 cup of finely chopped cilantro", "for accompanyment", "Lemon Wedges"].