Update!
When I picked one of these up from Jeff, he suggested that they will take standard wood-working tools fairly well. So this morning I broke-out the router & jig-saw, and had at it! Cut a handle on each end. Next I used the router to round-off all edges, and to cut a little moat (blood/juice catcher) around the top.
Super easy, so thought I would share.
Thanks again, Jeff.
S.