Are you supposed to clean cast iron grill grates?

Author: Dr. Delaney McDermott Jr.  |  Last update: Wednesday, August 13, 2025

Cleaning your grill grates will help reduce rust buildup and ensure tasty food when you grill. You want to scrape your grates after each use, but you should also do a deep cleanse at least once a year.

What is the best way to clean cast iron grates?

Soak grates in hot water with dishwashing tablets for 30-45 minutes. Scrub down, rinse, and put back. For deep cleaning, use Easy Off. Spray grates with Easy Off and let soak for one hour. Scrub down, rinse, and put back.

How do you prepare cast iron grates for grilling?

Open the lid and brush or scrape the grates to remove any excess food debris. Brush the clean grates with a layer of vegetable oil using a basting brush or paper towel held between tongs. Leave the coals lit and the vents open. Close the lid and let the grates heat for approximately 30 minutes while the oil sinks in.

Is it okay to grill on rusted grates?

No! With that said, you don't want to cook on any surface or use any utensils that are currently rusty. According to the United States Department of Agriculture (USDA), ingesting rust is not safe. In fact, the USDA warns against cooking with rusty utensils and discarding all food stored in rusted cans.

Do you need to clean cast iron grill grates?

Cleaning your grill grates will help reduce rust buildup and ensure tasty food when you grill. You want to scrape your grates after each use, but you should also do a deep cleanse at least once a year.

How To Care For Cast Iron Grill Grates

How to keep chicken from sticking to a cast iron grill?

Wiping the grill grates with a light coating of high smoking point oil and a paper towel can help to prevent sticking. We have found that porcelain-coated grill grates and cast iron grates benefit tremendously from a wipe-down with oil before cooking.

How to clean rust off cast iron grill grates?

For tougher spots, apply a bit of vinegar to the rusted areas, let it sit for five to ten minutes, and scrub again. The vinegar will help to break down the rust, making it easier to remove. After you've removed as much rust as possible, wash the cast iron thoroughly with warm water and a mild detergent.

Can I cook burgers on a rusty grill?

Theoretically, cooking on a rusty grill grate won't harm you. It might make your meat taste like a rusty nail, though and even Bearded Butcher Blend Seasoning might not be enough to fix it. It's best to remove rust from grill grates before cooking on them.

Do you oil grill grates hot or cold?

This can be done whether the grill is hot or cold. Whichever method you use, always wipe off excess oil with a paper towel. Then, light your grill and let it burn until the oil on the grates starts smoking, about 15 to 30 minutes.

What is the best oil to season cast iron grill grates?

Using a paper towel or brush, brush the grill grates with cooking oil. We recommend vegetable oil, grapeseed oil, or bacon fat. After the grates are coated, you can place them in a 400-degree oven for an hour or on a 400-degree grill for 40 minutes. After time is up, let the grates cool down naturally.

What is the best grill brush?

According to our tests, topping the list as the overall best grill brush is the Grill Rescue brush. This squishy-yet-sturdy cleaning sponge effortlessly eliminates stuck-on messes without any bristles at all. Unlike other options, it employs the power of steam rather than aggressive scrubbing or scraping.

How do you prepare new cast iron grill grates?

Place the grid in a preheated oven or grill at around 400°F (200°C) for about an hour to allow the oil to penetrate and form a protective seasoning layer. Repeat this process several times to build up a durable and non-stick coating on the cast iron grid.

Can you use soap on cast iron grill grates?

When you first get your Char-Griller grill, you are going to want to remove the cast-iron grill grates and give them a good wash with warm water. You can use soap at this point if you want. After washing, make sure to dry the grates off entirely with a towel.

How to keep Weber grill grates from rusting?

How do I prevent my grates from rust?
  1. Avoid scraping the grates. If you scrape your grates with metal tools like your spatula you could damage the porcelain enamel.
  2. Brush the grates. ...
  3. No soaps with citrus.

How often do you clean cast iron grill grates?

Deep Cleaning Cast Iron Grill Grates

We highly recommend that you give your grates a nice hard wash with mild soap at least once per year. Many pitmasters preach that water will surely ruin your grates altogether, however as long as you dry them thoroughly and keep them seasoned, your grates will be fine.

Should you grill with the lid up or down?

You want to grill with the lid down when you're using indirect heat on items like bone-in chicken breasts, or slow-cooking something huge like a brisket that needs long exposure to low heat so it can reach doneness without a completely charred exterior.

How often should I replace flavorizer bars?

Many people often think that they need to replace their Flavorizer Bars when they develop some surface corrosion, but so long as they haven't developed any holes or cracks in them they should work just fine.

What is the best cleaner for cast iron grates?

Reach for the baking soda, even if your cast iron grates don't easily come out of your grill. Make a paste of 1 ½ cups ARM & HAMMER™ Baking Soda, ¼ cup dish soap, and ¼ cup white vinegar in a small bowl. It should be a frothy liquid consistency that sticks to the grill grates.

What is the fastest way to remove rust from cast iron?

The easiest and fastest way to remove rust from cast iron is Evapo-Rust®. It will spare your knuckles, as there is no scrubbing with brushes or steel wool involved. It is also safe to use on your cooking supplies. We are always proud when our customers tell us they love Evapo-Rust® because it removes rust easily.

How do you make cast iron grill grates look new?

Dish soap will break down oil and grease on the grids while the brush clears away surface rust. Another alternative that some find more effective than soap and a scrubber alone is to make a polish using baking soda and dish soap.

Why does everything stick to my cast iron?

The Cause: Occasionally food may stick to your cast iron cookware. This can happen for a variety of reasons, such as not using enough fat or oil when cooking, using cookware that isn't well seasoned, or when breaking in new cookware that hasn't built up additional layers of seasoning.

Why is it important to brush the grill with oil before grilling chicken?

Why should you oil your grill grates? The main reason to oil your grates is to prevent food from sticking. Another benefit of oiling your grates is to prevent them from rusting over time. But, there are some exceptions where oiling before cooking isn't necessary.

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