The Chicago Tribune has a story on making fake food for a play called Smokefall. The twist here is that the characters are eating dirt and drinking paint.
Playmakers Rep is making some fake vegetation for Into the Woods. The witch’s costume is actually covered in vegetables from her garden, so the costume craft shop is churning out latex lettuce leaves to sew into a dress.
Propnomicon points us to this new Lovecraft-based prop making blog called Elder Props. It already has lots of tutorials and how-tos for a number of projects.
If you ever wanted to know about marbleizing paper, this page has a run-down of several different techniques, from basic to advanced.
Here is an interesting article on Chad Taylor, a Cleveland-based prop maker who builds replicas of film and comic book props for cosplayers around the world.