you can make butter

Today, when my daughter saw I'd bought some heavy cream at the grocery, she asked if we could make butter.

So we did!  

We learned how to do it when she was in pre-school, and it's super-easy!

Here's how:

Pour some room-temperature heavy whipping cream into a small glass jar (like a baby food jar).  Screw the lid on tightly and shake.  Just shake and shake–about five minutes.  At first, you can hear the milk sloshing around, and then, suddenly, it'll sound like there's something in there.  And there