Cooking on a rusty cast iron grill is not safe if the rust is heavy or flaky, as you risk ingesting rust and metal flakes, which can ruin the taste and potentially cause health issues. However, minor surface rust is perfectly fine to cook on once it has been scraped off, cleaned, and properly re-seasoned.
Yes, cooking with cast iron pans can contribute to high ferritin levels. While safe for most people, the iron in the pan transfers into your food, and your body absorbs it. This effect is particularly significant for individuals with underlying genetic conditions or those who frequently eat acidic foods.
Even if rust on your cast iron isn't dangerous, it isn't the most visually appealing, and the U.S. Department of Agriculture advises against ingesting it or using the pan before the rust has been removed.
While a small amount of rust (iron oxide) is generally not poisonous, it is highly recommended that you do not eat food cooked directly on a rusty grill. Rust can flake off onto your food, giving it an unpleasant metallic taste and gritty texture, and it compromises the non-stick surface of the grates.
To remove rust from cast iron, scrub the pan using steel wool or a Lodge Rust Eraser with warm, soapy water. For stubborn rust, soak the skillet in a 1:1 mixture of water and white vinegar for 1–2 hours, scrub clean, and immediately re-season it with cooking oil in the oven.
Yes, white vinegar is incredibly effective at removing rust from cast iron. It is considered one of the best household ingredients for breaking down rust. However, because vinegar is highly acidic, it requires close monitoring.
Yes, you can absolutely use Dawn dish soap on cast iron.
Yes, a little bit of surface rust on cast iron is completely fine. It is not toxic and will not ruin your pan. Rust is just iron oxide, and tiny amounts are harmless. However, it can leave a metallic taste or cause food to stick, so it shouldn't be ignored forever.
Rubbing a raw potato on a hot grill deposits a layer of starch onto the metal, creating a natural, non-stick barrier. This prevents delicate foods like fish, chicken, or vegetables from sticking to the grates and helps clean away leftover food residue.
Using an onion to clean a grill relies on the onion's natural moisture and acidity to steam and lift grease, stuck-on food, and carbon from hot grates. This method provides several practical, culinary, and cultural benefits:
You are highly unlikely to get sick from rust on a cast iron skillet. Rust (iron oxide) is generally non-toxic when ingested in small amounts. The most common issues are an unpleasant metallic taste or minor stomach irritation.
And while a puncture wound from a nail is something to take seriously, you don't get tetanus from rust. Rather, bacteria that live in soil and feces cause tetanus.
You should only throw away a cast iron skillet if it has a crack, a warped base that causes it to wobble on the stove, or severe structural damage like a hole. Because cast iron is incredibly durable, almost all other issues—including heavy rust or thick, burnt-on food—can be completely restored.
These are the most common symptoms in the first 6 hours after ingestion.
Cooking with cast iron is generally very healthy and safe. It is free from synthetic chemicals like PFOA and leaches small, beneficial amounts of dietary iron into your food. This added iron can naturally supplement your diet, which is especially helpful for preventing or managing iron-deficiency anemia.
Lodge cast iron includes a Prop 65 warning primarily out of an abundance of caution to comply with California's strict labeling laws. Because trace, naturally occurring elements (like manganese) can be present during the iron-casting process, the company uses the warning to avoid legal penalties in California, even if the products meet all federal safety guidelines.
The exceptional taste of a Texas Roadhouse baked potato comes down to a few signature kitchen tricks:
People rub an onion on the grill primarily to naturally clean the grates, season the metal, and add flavor to upcoming food.
Hibachi chefs primarily use water or ice, a heavy-duty metal scraper, and a grill brick to clean their flat-top grills. Instead of using harsh chemical detergents, they rely on heat and steam to lift stuck-on grease and food.
Yes, you can absolutely use Dawn dish soap on cast iron.
Scour the rusty sections with steel wool or the Lodge Rust Eraser. Then wash the pan with warm, soapy water. This step may remove portions of the seasoning, but that's okay because we're preparing to re-season the pan.
Cast iron is extremely resilient—you can't ruin it. Most common issues (sticky residue, patchy coloring, stripped seasoning, or rust) are easily fixed. The solution to almost every problem is the same: just keep cooking. Seasoning develops unevenly at first and evens out with use.
Detergents aren't made with lye, so can't be soap. Either way you still shouldn't use soap with cast iron, but can use detergents, though there is no reason to do so. You can easily clean well maintained cast iron without it.
Mixing vinegar, dish soap, and baking soda causes a rapid, neutralizing reaction that generates carbon dioxide gas. This produces a thick, bubbly foam because the dish soap traps the escaping gas. While the fizzing looks powerful, it neutralizes both ingredients and effectively leaves behind salt water.
Because Dawn Powerwash contains grease-cutting solvents and alcohol, it is too harsh for delicate, porous, or treated surfaces. As a rule of thumb, do not use it on anything you wouldn't clean with rubbing alcohol.