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.
Strained yogurt, Greek yogurt, yogurt cheese, labneh, is yogurt which has been strained to remove its whey, resulting in a relatively thick consistency, while preserving yogurt's distinctive, sour taste.
Origin
Africa
Central asian countries like kazakhstan, kyrgyzstan, tajikistan, Middle East