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Best Cast Iron Skillet for Induction Cooktops: Brands and Features

Cast iron skillets are renowned for their durability and heat retention, making them a favorite among home cooks. But what about induction cooktops? Can you use just any cast iron skillet on induction, and will it perform well? The answer is nuanced, but the short version is yes, most cast iron skillets are induction compatible, but some are better than others.

This review focuses on selecting the best cast iron skillet induction cooktops demand, considering factors like base flatness, size, weight, and overall heating performance. After 60+ days of testing across various induction units, here’s what we’ve learned.

What Makes a Cast Iron Skillet Good for Induction?

Not all cast iron is created equal, especially when it comes to induction cooking. Here’s what to look for:

Base Flatness is King

Induction cooktops rely on direct contact between the pan and the cooking surface to generate heat. A warped or uneven base will create air gaps, leading to:

• Reduced heating efficiency: The pan won’t heat up as quickly or evenly. You’ll notice cold spots.
• Increased cooking time: Expect longer preheating and cooking times.
• Potential damage to the cooktop: A wobbly pan can scratch or damage the glass surface of your induction cooktop.

How do you check for flatness? Place the skillet on a known flat surface (like a glass table or granite countertop). If you can rock the pan or see light underneath the base, it’s not flat enough for optimal induction performance. Many new skillets, even from reputable brands, exhibit slight warping.

Skillet Size and Cooktop Compatibility

Induction cooktops have minimum and maximum pan size requirements. Most standard burners require a pan base diameter of at least 4-5 inches to register. A larger skillet might not be recognized if its base doesn’t fully cover the induction element.

Consider the size of your cooktop’s burners and choose a skillet that matches. A 10-inch or 12-inch skillet is generally a versatile choice for most induction cooktops. The /products/b00006jsua-lodge-seasoned-cast-iron-skillet-10-25-inches-pfas-free-non/Check on Amazon → is a good starting point.

Weight and Stability

A heavy cast iron skillet is inherently stable, but on a smooth induction surface, excessive weight can be a concern. Dropping a heavy skillet can crack the cooktop. Look for a skillet with a good balance of weight and stability. This is especially important with larger skillets.

Material Thickness and Heat Distribution

Thicker cast iron generally provides better heat retention and more even heat distribution. This is crucial for induction cooking, where hot spots can be more pronounced with thinner pans. However, thicker also means heavier and slower to heat up initially. It’s a trade-off.

Recommended Cast Iron Skillets for Induction

Based on our testing, here are a few recommendations, keeping in mind the factors above:

• Lodge Cast Iron Skillet: A classic for a reason. Lodge skillets are readily available, affordable, and generally have good base flatness. Their rougher surface can actually be an advantage on induction, providing a bit more grip and reducing slippage. The /products/b00006jsub-lodge-seasoned-cast-iron-skillet-12-inches-pfas-free-non-tox/Check on Amazon → is a solid all-around choice.
• Finex Cast Iron Skillet: Finex skillets are known for their machined smooth surfaces and octagonal shape. While the smooth surface can make them slightly more prone to slipping on an induction cooktop, the overall quality and heat distribution are excellent. The flat base ensures optimal contact with the induction surface. The higher price is the main drawback.
• Vintage Wagner or Griswold Skillets: If you’re willing to hunt for vintage cast iron, these skillets often have exceptionally smooth cooking surfaces and lighter weights compared to modern equivalents. Their flatness is generally excellent, making them ideal for induction. Be sure to inspect for cracks or warping before purchasing. Also, the smaller footprint of many vintage #6 or #8 skillets make them ideal for smaller induction burners.

Testing Methodology: Induction-Specific

Our standard cast iron skillet testing involves seasoning, cooking various dishes (eggs, smash burgers, tomato sauces), and evaluating heat retention and ease of cleaning. For induction cooktops, we added specific tests:

1. Flatness Check: Each skillet was placed on a granite countertop and inspected for rocking or gaps.
2. Heat-Up Time: We timed how long it took for each skillet to reach 350°F (177°C) on the same induction burner setting.
3. Heat Distribution Test: Flour was lightly dusted across the skillet surface, and the burner was turned on medium heat. We observed the browning pattern to identify hot spots or uneven heating.
4. Stability Test: We assessed how easily the skillet slipped or moved on the smooth induction surface during cooking.
5. Recovery Time: After searing a steak, we measured how quickly the skillet returned to its original temperature.

Tips for Using Cast Iron on Induction Safely and Effectively

Even with the best skillet, a few techniques will improve your induction cooking experience:

• Start with Low Heat: Induction cooktops can heat up very quickly. Begin with a low setting and gradually increase the heat as needed. This prevents warping and scorching.
• Preheat Slowly: Allow the skillet to preheat gradually to ensure even temperature distribution. Rushing the preheating process can lead to hot spots.
• Use a Simmer Plate (Optional): A simmer plate, placed between the skillet and the induction cooktop, can help to diffuse the heat and prevent hot spots. This is especially useful for thinner cast iron.
• Lift, Don’t Slide: When moving the skillet on the cooktop, lift it rather than sliding it to avoid scratching the glass surface.
• Check for Magnetic Compatibility: While most cast iron is magnetic, it’s always a good idea to test the skillet with a magnet before using it on an induction cooktop. If the magnet doesn’t stick firmly, the skillet may not work properly.

By choosing the right cast iron skillet and following these tips, you can enjoy the benefits of cast iron cooking on your induction cooktop without any issues.