Take a non stick pan and heat clarified butter/ghee..saute chopped onion till translucent..add chopped tomatoes,green chilli,peas and cook till tomatoes get soft..Add salt,pepper and turmeric powder(add turmeric powder with very tight hand in this veggie other wise colour of dish will be darker)..add grated cheese(a spoon of grated cheese keep aside fo' garnishing) and give a good stir so that masala incorporate with cheese well