Can Cast Iron Hob Go in Dishwasher

In the world of modern cooking, cast iron cookware has maintained its timeless appeal for centuries. From skillets to Dutch ovens, these heavy-duty kitchen essentials are celebrated for their durability and exceptional heat retention. However, when it comes to cleaning and maintenance, many questions arise, especially concerning the use of dishwashers. In this article, we’ll explore the question: can a cast iron hob go in the dishwasher? We’ll delve into the ins and outs of cast iron care, providing you with the best practices to keep your beloved cookware in top-notch condition.

Understanding Cast Iron

Before we tackle the dishwasher dilemma, let’s briefly understand what makes cast iron cookware unique. Cast iron is revered for its exceptional heat distribution and retention properties. It’s a favorite among professional chefs and home cooks alike due to its ability to create a perfect sear on steaks, evenly bake cornbread, and simmer hearty stews. However, to maintain its exceptional cooking capabilities, proper care is paramount.

Cast Iron Care 101

Seasoning Cast Iron

One of the key aspects of maintaining cast iron cookware is seasoning. Seasoning is the process of creating a natural, non-stick surface on the cast iron’s cooking surface. This is achieved by applying a thin layer of oil or shortening and heating the cookware. The heat polymerizes the oil, forming a protective layer that prevents food from sticking and helps resist rust.

Cleaning Cast Iron

Cleaning cast iron is where the debate often begins. Traditionally, it’s advised not to use soap or place cast iron in a dishwasher. The reasoning behind this is that soap can strip away the seasoning and expose the iron to rust. However, times have changed, and the dishwasher’s role in cast iron care is no longer black and white.

Can Cast Iron Go in the Dishwasher?

Now, let’s address the main question at hand: can a cast iron hob go in the dishwasher? The short answer is yes, with some caveats.

Modern Dishwashers

Modern dishwashers come equipped with various settings, including a gentle or eco-friendly cycle. These settings use lower water temperatures and less aggressive detergents, making them more suitable for cast iron cookware. If you decide to put your cast iron in the dishwasher, here’s how to do it safely:

  1. Prep Your Cast Iron: Remove any excess food or residue from your cast iron skillet or hob. You can use a paper towel or a gentle brush for this step.
  2. Avoid Harsh Detergents: Ensure you use a mild, non-abrasive detergent. Avoid dishwasher pods or detergents with harsh chemicals, as they can damage the seasoning.
  3. Choose the Right Cycle: Opt for the gentle or eco-friendly cycle on your dishwasher. These cycles use lower temperatures and are less likely to harm your cast iron.
  4. Hand-Drying: After the dishwasher cycle is complete, remove your cast iron cookware and hand-dry it immediately. This prevents any chance of rust formation.
  5. Re-season: To be on the safe side, you can re-season your cast iron after each dishwasher cycle. This will help maintain its non-stick properties.

Some Things to Consider

While using the dishwasher is an option, it’s important to be aware of a few factors:

  • Frequency: Using the dishwasher too often may result in more frequent re-seasoning, as the high-heat drying cycle can strip away some of the seasoning.
  • Quality of Seasoning: If your cast iron cookware is well-seasoned, it can withstand occasional dishwasher use better than newly seasoned or poorly seasoned cookware.
  • Personal Preference: Some cast iron enthusiasts prefer to stick to traditional hand-cleaning and seasoning methods to ensure the longevity of their cookware.


In conclusion, the question of whether a cast iron hob can go in the dishwasher is nuanced. While it is possible to use a dishwasher, it should be done with care and consideration for the quality of the cookware and the dishwasher settings. Ultimately, the decision to use a dishwasher or opt for traditional hand-cleaning methods depends on your personal preference and how well you’ve seasoned your cast iron.

Maintaining the integrity of your cast iron cookware is crucial to enjoying its benefits for generations to come. Whether you choose the convenience of a dishwasher or the time-honored method of hand-cleaning and seasoning, the key is to ensure your cast iron is well-cared for and cherished as a culinary heirloom.

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