Bring milk to roaring boil and reduce heat to lowest.
Add lemon juice or vinegar and stir with a spoon.
Allow it to stand 1 minutes.
The milk will start to split. Stir it once.
In 2-3 minutes milk will curdle completely and whey and cheese curd cheese separate.
Switch off the heat now.
Place a muslin cloth or cheese cloth over another big vessel. Pour this mix over and allow it to strain for few minutes.
Paneer is ready to use now.
To shape it into market like block for perfect slicing, fold over the edges and place a heavy object over it for 10 minutes.
Now you can use this paneer to make your favorite dishes.
The whey is also quite nutritious and protein rich, so do not throw it.
you can use it for knead dough, add it while making curries, dal or soups.