1 teaspoon kasuri methi (dry fenugreek leaves), available in Indian grocery stores
1 teaspoon tomato paste
1 teaspoon salt or to taste
2 tablespoons lemon juice
Water as needed
Directions
Rinse and drain the kidney beans from cans and set it aside.
Heat oil in a medium soup pot or a Dutch oven on a medium-high heat. Add cumin seeds and let them sizzle. Add onion and sauté it until light golden brown, 4 to 5 minutes. Add garlic, green chili, curry leaves and all the dry spices. Sauté everything until fragrant, 2 to 3 minutes. Next add tomato paste and sauté for a minute. Add tomatoes, ginger and sauté for 2 minutes.
Add beans, lentils and ½ cup of water. Season with salt. Cover the pot and let rajma cook for 7 to 10 minutes. Uncover, add lemon juice and cook for 2 more minutes. Adjust the seasoning. If rajma is too dry, add some water.