Originally Posted by Hugh Jorgan
HMMmmmmmmmmm, Maybe, just maybe if you cut it out really clean like this pic, but cleaner, you could attach something to the lid to keep it from falling down into the drum and don't add any or minimal exhaust holes. Or you could find something stainless that is flat and bigger and cut a ring out of it to bolt to your top for a sealing rim. Exhaust as normal.
Then it would warp and you could use it for a taco shaped serving tray.