There are 9 reasons why you should never throw away spoiled milk.

There is no need to cry over spoiled milk.We usually throw out milk that has gone sour, but it turns out we may have missed out on some interesting uses for dairy that is past its prime.

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Dana Gunders is the leading expert on food waste and cooking with sour milk is delicious.

She tells NPR that it is a substitute for buttermilk.You can use it in pancake batter.You can not taste the sour.I allowed the milk to get really old.The pancakes were really good.

Don't consume milk if it's aged because of this important warning.This can make you sick.It is safe to consume milk that has a sour taste but is still good to drink.

Milk sours about three days after the date.It can last up to two weeks if opened.You will no longer feel the need to rush to consume all of the sour milk because it has many uses.

When I find soured milk, the first thing I think of is making cheese.Milk that has gone bad is the main ingredient in cheese.Cottage cheese can be made by cooking sour milk in a double boiler over simmering water until the watery part of the milk separates from the cheese.Add some cream and salt and pepper to make it taste better.

You can make regular cheese by putting a strainer in a bowl of milk.Hang it in the fridge over a bowl.The cheese is done once it stops dripping.Enjoy with crackers and wine.

Many pancake, cake and waffle recipes contain sour milk.When it is cooked, you can't tell if it was sour milk or not, and it's an easy way to use it.There are two recipes for lemon bundt cake and Coca-Cola cake.You can also make your own sour milk by adding lemon juice to fresh milk.

There are many other uses for sour milk that don't involve food.