Finish the following sentence with the best choice: How to make home-made butter.

Choices:
- Fill heavy cream half way full into a jar. Screw the lid and make sure it is tight. Shakes well for about 10 minutes. Once it turns solid, it is butter.
- Fill milk half way full into a jar. Screw the lid and make sure it is tight. Shakes well for about 10 minutes. Once it turns solid, it is butter.

Answer:
Fill heavy cream half way full into a jar. Screw the lid and make sure it is tight. Shakes well for about 10 minutes. Once it turns solid, it is butter.