- Soak the red kidney beans overnight. Next day, cook in a pressure cooker till done Heat the oil and fry the onions for 5 minutes. add ground garam masala Add the grounded ginger-garlic paste and chili powder and cook again for 3 minutes. Add the tomato chopped and paste green chilli to this mixture and cook until well done . Add the mixture to the boiled kidney beans. Add the other spices and salt according to taste. Cook again till 15 minor until the rajma gets cooked. Serve hot with rice.