Cut paneer in cubes
Heat oil in a pan on medium heat and just sprinkle a pinch of salt in it
Add chopped onion n fry for 2 min,Add garlic n ginger and fry for another 1 minute
Now add chopped tomato, chilli powder, blackpepper and stir properly
Fry it not more than 2 min
Add paneer cubes , bell pepper, tomato sauce and salt n cook for 2 min
Sprinkle coriander leaves and serve hot with chapati, plain paratha or naan