It could be the flavoring, how old the yogurt is. But it is not normally sour.
cleans oil spills, makes yogurt, cloning, makes medications,and in making sour cream
Yogurt tastes sour because of the fermentation process that occurs when bacteria in the yogurt culture feed on the sugars in the milk, producing lactic acid as a byproduct. This lactic acid gives yogurt its tangy and sour flavor.
Sour Yogurt
Yogurt.
Sour cream.
You can use Sour Cream of Mayonnaise as a substitute of yogurt.
Absolutely not. Yogurt is from cows milk (NOT sour) with bacterial culture and flavour added to it. No pig urine is added to it, none at all.
You can use buttermilk or yogurt as a substitute for sour milk in the recipe.
plain yogurt with a little vanilla, or sour cream with a little sugar and vanilla.
Milk, yogurt and cheese
because of the lactic acid bacteria put in it
its out of date