Bean working very hard today!
It's terrible, we have to do all the work, but the teachers get paid.
Show your work.
Lettuce alone, without dressing. I remembered this today from a joke book I had when I was a kid. Wasn't sure if it should be here or /r/dadjokes
Scratching at the lid of his coffin.
Baked beings (beans).
Because Jack was bean stalked