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A toast to Toast

Today I asked Aine, my girlfriend whether she thought the oven heated up any quicker when it was turned up full blast. We were cooking a pizza, and I had the oven set to 220° even though the package said 180. I’m impatient that way, wanting the food to be ready now, I hate waiting. She said probably not on an electric oven, but maybe on a gas oven. Then I got to thinking about other electric heating cookers, with timing on my mind. I had a couple of minutes to kill anyway. I asked her what she thought the dial on a toaster does, how is controls the ‘doneness’ of the toast, being that a toaster both sets the temperature and the time for your desired level of crispiness.

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Does the dial control the temperature of the element like on an oven, or does it limit the time, temperature kept constant? I was backing a variable resistor controlled variable temperature system, she favoured timed control.
Only one way to find out, I took the toaster out of the cupboard and set it to the lowest setting, and pushed it down (no bread, we have pizza cooking, remember?) Timed it at one minute thirty. Then I dialled it to to maximum and loe and behold, three mins forty seconds.
I learned something, and occupied myself while waiting for the pizza, but more importantly satisfied a question that would have bugged me for a while if not, and The pizza was done to perfection, and delicious too!

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