Take the paneer in a large bowl and crumble it with hands. Knead it for 5-6 mins so that it combines well.
Mash potato and mix with the kneaded paneer.
Add chopped coriander, cumin powder , pepper powder, garam masala and red chili powder and mix them all together with a fork.
Soak bread slices in water, press between palms and ad it in the paneer mix. Adjust salt as per taste.
Mix and knead them all together to make a smooth soft dough.
Pinch a lemon sized ball and roll between the palms to make a smooth ball.
Heat Appe pan and brush it with butter. As soon as the pan is piping hot, place the paneer balls into each section and fry from all sides by regular turning.
Brush more butter on top of the ball, if required.
Fry the balls till golden in color. Transfer them on a kitchen absorbent towel.
Serve hot with your favorite dip or simple tomato sauce.