What is
- Sour cream is a dairy product obtained by fermenting a regular cream with certain kinds of lactic acid bacteria.
- The bacterial culture, which is introduced either deliberately of naturally, sour and thickens the cream.
Paneer, a kind of cheese, a South Asian cuisine, is an unaged cheese made by churning milk with vinegar, lemon juice or other acids.
  
Origin
Europe, Greece, Italy
  
Afghanistan, India, Iran, South asian countries like Bangladesh, Bhutan, India, Maldives, Tajikistan