If your oven is not heating evenly, there are several potential causes to consider. First, check the oven’s heating elements. If one of the elements is not working correctly, it can lead to uneven heating. Inspect both the bake and broil elements for any visible damage or signs of wear. If an element is faulty, it will need to be replaced.

Another possible cause is a malfunctioning oven thermostat. The thermostat controls the oven temperature, and if it is not working correctly, the oven may not maintain a consistent temperature throughout the cooking process. Testing the thermostat with a multimeter can help determine if it’s functioning properly.

Additionally, ensure that the oven is preheating correctly. Some ovens may require extra time to reach the desired temperature, and opening the door frequently during cooking can cause temperature fluctuations that lead to uneven cooking.

Lastly, consider the placement of the racks and the type of cookware being used. Improper rack placement or using cookware that does not distribute heat evenly can also cause uneven cooking. Adjusting the racks and using proper cookware can help improve evenness in cooking.