first fillet the chicken breast into half so that it forms a shape like heart. then portion that heart shape into 4 pieces
in a bowl mix coriander powder, garam masala , chilli powder, salt ginger garlic paste. add portioned chicken breast to it. add 1 spoon oil to itleave the marination for minimum 30 min.
grill the chicken breast on BBQ or take a fry pan add a bit oil when its sizzling place 4 chicken portions on the pan and cook them for 5 min and then turn then and cook for another 4 min. ( depending on your preference fry it a bit longer if u want)
slice the tomato
slice red onoin
now add slice your bread rolls and put some shredded butter on bread and grill / on pan until rolls become crispy.
now layer them as bread roll slice , tomato , onion , chicken tomato and bread roll