What is
Cheese, a dairy food consisting of compressed, coagulated and ripened curd of milk which is separated from the whey.
  
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.
  
Origin
Central asian countries like kazakhstan, kyrgyzstan, tajikistan, Europe, Middle East
  
Africa