"What's wrong with my bakes?!" - it's the number one question we get asked and more often than not oven temperature is the cause. A too-hot or too-cold oven can cause a whole host of baking problems, but how do you check if yours is at the right temperature? Simple! Pop one of these little guys in and guess no more! These oven thermometers are an essential bit of kit for calibrating and checking your oven temperature and we recommend everyone uses one as home ovens can be as much as 10-20 degrees out.