Why does heat from the microwave make bread floppy while heat from a toaster makes bread crispy?

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I made a toaster waffle for myself this morning. Growing impatient, I popped it out before it was all the way done. As I was buttering it, I noticed parts of the waffle were still cold. Since there was already butter and syrup on it, I couldn’t put it back in the toaster. I threw it in the microwave for 20 seconds and it came out floppy instead of crispy. What gives?

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23 Answers

Anonymous 0 Comments

Microwaves vibrate the water in food really fast to make it heat up. Toasters cook by applying heat to the bread, drying it out and making it crispy. The faster molecules move, the more energy they put out – that energy can be emitted in a handful of ways, but usually a lot of heat and light (which is why the coils in your toaster glow when they heat up!)

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