Question: make butter in a mason jar

  Options: 
 A. Fill a mason jar halfway full of heavy cream. Screw on the lid and shake for 5-7 minutes. Pour off the buttermilk and whats left is butter.
 B. Fill a mason jar halfway full of milk chocolate Screw on the lid and shake for 5-7 minutes. Pour off the buttermilk and whats left is butter.
Answer: A