How To Check Oven Temperature. The oven door handle can get to 55˚c if metal or 70˚c if it is plastic. 1) heat your oven to 180 degrees 2) make two small aluminium foil square boxes.

The reasons for temperature testing. The oven door handle can get to 55˚c if metal or 70˚c if it is plastic. This will tell you if the oven is even.