Microwave your Twixes Santorum for 30 seconds on full blast, then remove them while they're still swollen and gooey.
Note: The plate and its contents will be hot, so be careful when extracting it from the microwave. Weirdly, the official version of this recipe demands that you do not use an oven glove, even if you're doing it in the privacy of your own home. Yes, using a glove would be safer and a lot less messy, but it would also be wrong. Why? Because that's what the recipe book says. At least, according to certain interpretations, it says that. The book's changed quite a lot over the years.