I have done two test runs: one in the microwave and one in the oven. The one pictured is the microwave batch. The oven batch had a far superior crunch, but as @OCSteve astutely mentions, they were more prone to leakage, which also made the window of time between Hell Fire Hot and Cold Man River impossibly short. That said, I would still recommend the oven, if you have the patience.
These are even better: