How To Make Buttermilk

Once you see how easy it is to make buttermilk, you will want to
make your own everytime. Here's show :
Preparation time : 10 minutes
Total Time : 10 tminutes

Ingredients :

• heavy cream ( avoid ultra-pasteurized)

Preparation :

1. Fill a jar halfway with heavy cream. Then, crew the lid on firmly (a canning jar works well for this   purpose).
2.  Start shaking the jar back and forth. After several minutes, the cream will thicken and turn into whipped cream. Keep shaking until whipped cream is replaced with a yellow glob (butter) and a separate liquid (buttermilk).
3. Pour the buttermilk out of jar, and use it in any recipe that calls for buttermilk.

To Use the Buttermilk: Knead it under cold water for a minutes to remove any remaining buttermilk (it will spoil very quickly, if you don't). Then, salt ( if desired), and store in the refrigerator until you've ready to use it.

Just need an easy stand in for buttermilk? :D