I have a Maytag Gemini double oven and the smaller oven seems to have a problem maintaining a consistent temperature. This came to light because I had a few dishes that didn't cook in the time indicated on the recipe. I bought an oven thermometer to check the temperature and according to the thermometer, the oven takes an additional few minutes, after the ready buzzer sounds, to actually reach the set temperature. When the dish is done, the temperature may be as much as 25 degrees higher than set.
Anyway, the repairman told me that there's nothing wrong with the oven, that electric ovens constantly fluctuate. I don't trust this oven to cook anything that I can't tell the doneness by looking at it. Does this sound accurate?