There’s a Mycenaean cooking pot type that is frequently referred to as the “souvlaki tray,” usually assumed to have been used for cooking cubed meat. See the following link for a couple of examples:
http://imgur.com/gallery/B5pmt/new. These are slightly different from the shape known as “spit supports” (like the souvlaki trays but just the two parallel indented sides without the flat bottom or the connecting
bar). I only know of examples of souvlaki trays from two sites, Mycenae and Pylos. I do know of modern comparanda in metal but not ceramic ones. I’ve heard rumors of others from later in antiquity but haven’t actually found any in the literature. Does this
shape look familiar from another site you might have seen?