Yes, you can leave a cast iron skillet in the oven after turning off the heat. In fact, this is a common practice and generally safe to do so. Cast iron is a durable and reliable material that can handle the residual heat of the oven without any issues.
Leaving the cast iron skillet in the oven can have a couple of benefits:
Even heat distribution: By keeping the skillet in the oven, you allow it to cool down gradually, which helps in even heat distribution throughout the pan.
Continued seasoning: If your cast iron skillet is seasoned (coated with a layer of polymerized oil to prevent rust and create a non-stick surface), leaving it in the oven can help maintain and improve its seasoning over time.
However, a few precautions should be taken:
Be cautious when handling: The skillet will remain hot for a while after turning off the oven, so always use oven mitts or potholders when touching it.
Avoid extreme temperature changes: While cast iron is durable, it's best to avoid rapid and extreme temperature changes, such as placing a hot skillet on a cold surface or exposing it to cold water immediately after use. Gradual cooling is preferable.
Keep it dry: Make sure the skillet is dry before storing it to prevent rust. If there's any moisture on it, dry it thoroughly before placing it back in a cabinet.
Remember to exercise caution and use proper protective gear while handling hot cookware, including cast iron skillets, to prevent burns or accidents.