I have a 'generic' list of the things we always need/use. This way, I can set DH to the task of marking off what we already have on hand, so that he's 'helping'.

It's in an excel format so I've made a .gif out of it:
Click image for larger version.  Name: grocery list.GIF  Views: 765  Size: 46.7 KB  ID: 954

(sorry it's so difficult to read!)