Crumble the paneer and keep aside.
Heat butter in a pan.
Add cumin seeds, once they start to splutter, add ginger, garlic and saute for a minute.
Add onions, once the onions turn translucent, add the green chillies and saute for a minute.
Now add tomatoes and cook till mushy. (add a pinch of salt so that the tomatoes will cook fast).
Now add turmeric powder, red chilli powder, garam masala powder, salt and mix well.
Add the crumbled paneer and let it cook for 2-3 minutes.
Lastly add coriander leaves and mix well.
Serve hot paneer bhurji with bread / rotis / plain parathas.
NOTE:- Don't overcook the paneer, otherwise it will loose its softness.