firstly, heat tawa with ½ tsp butter. you can alternatively bake in an oven.
once the butter melts, warm chapati/roti slightly.
now turn off the flame and spread 4 tsp pizza sauce.
further top with capsicum, onion, palak, jalapeno and olives.
also spread ½ cup mozzarella cheese.
further sprinkle ¼ tsp chilli flakes and ¼ tsp mixed herbs.
now cover and simmer for 3 minutes or till cheese melts completely.
finally, slice the roti pizza and serve hot.