Again heat 2 tbsp Butter in a pan and add a Bay Leaf (Tej Patta) and Red Chilli Powder to it. Fry it for a few seconds. This will give a nice color to the gravy. Add the onion, tomato paste to the pan and mix it with the red chilli powder. Cook for 4-5 minutes. Add Garam Masala, Coriander Powder and Turmeric Powder to the mixture.