Here's a YouTube video by a friend of hers demonstrating it, also with links to her download and twitter if you too want to follow her.
I only regret that my sim kids are all grown up for this generation. Must resist urge to have more...
Shame on EA for not having this in the first place. Didn't your mom teach you to cook, and bake, and sew? Didn't you have school kitchen and crafting classes at your school?