With my Irish father in town, I wanted a ready-made meal after a long day of sight-seeing. I chose a hearty beef stew and wanted to incorporate his favorite beer, Guinness. I was worried that we left it in too long, but after 10 hours on low and 2 hours on warm ( it was a long day of sight-seeing) it was still awesome! Makes a flavorful, thick sauce to dip bread in. I filled the crock pot to the top because I wanted enough for them to have lunch left-overs, so decrease the amounts if needed. Enjoy!