checking oven temperature accuracy
Preheat oven to 350F. Start with 1 cup of room temperature water and check its temperature with an immersion thermometer. Adjust the temperature with either warm or cold water to make it 70F. place in oven for 15 minutes. Check temperature again and it should read 150F.Adjust oven temperature accordingly. Another way to check oven temp is to simply boil water. Put a couple of cups of water in an oven proof pan and set the oven temp to 200F or 90C, the water shouldn't boil no matter how long you leave it in the oven.Set the temp to 225F or 110C.djust the temperature with either warm or cold water to make it 70F. place in oven for 15 minutes. Check temperature again and it should read 150F. Adjust oven temperature accordingly. First, buy a thermometer, they're cheap.