I set them up in ProMash, print them out, use the sheet to keep notes on, and then update ProMash when the beer is done.
So I have a printed record of most of my beers, in addition to a ProMash record.
Not ALL my beers, and I still slack sometimes. I have physical records of everything, however, whether I use promash or not. I'm setting up a new system at home for tracking beers, kinda like our quality control procedure here at the warehouse where I werk