What is
Soured milk is a food product, distinguished from spoiled milk, and is a general term for milk that has acquired a tart taste, either through the addition of an acid, such as lemon juice or vinegar, or through bacterial fermentation.
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
Africa
Afghanistan, India, Iran, South asian countries like Bangladesh, Bhutan, India, Maldives, Tajikistan