Seriously. This stuff takes no effort. All you need is a coffee filter, funnel, and some heavy whipping cream. If you can only find ultra-pasteurized, like me, it takes WAY longer than it would with anything else.
Do this with it:
Leave in the fridge for two hours. Scrape cream off sides of filter. If, however, it takes AGES for your to drain, like mine. Bag it up like this: