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.
  
Vanilla ice cream, the most popular flavors around the world, is created by cooling a mixture of cream, vanilla extract and sugar.
  
Origin
Africa
  
Africa, Asia, China, Europe, North America