Why? Because you can! And pickle, and jam, or otherwise celebrate the resurgence of the domestic arts our forebears held so dear. Put on your best apron and step into our kitchen, won't you?
Now, how is it we can have been on this earth nearly 40 years and never knew that making butter is so utterly, totally easy? Why isn't everyone making it, all the time? I don't know, but I do know may well never buy butter again.