Rajma Chawal

Ingredients 1 cup Rajma/Red Kidney Beans (soaked overnight/8 hours) ½ cup finely chopped onions 1 teaspoon chopped ginger 1 cup chopped tomatoes 1 teaspoon cumin seeds 1 teaspoon turmeric powder 1 teaspoon cumin powder 1 teaspoon garam masala powder 1 tablespoon butter 2 tablespoons chopped coriander leaves 1 teaspoon Vegetable/Sunflower Oil Salt to taste