Clean a Flat Top Grill (The Right Way)

How Do You Clean a Flat Top Grill After Cooking?

To clean a flat top grill after cooking, scrape all food residue and grease directly into the center fire while the solid carbon steel cooktop is still warm. Wipe the surface clean with a dry cloth or paper towel. Finally, apply a thin layer of high smoke point cooking oil across the entire cooktop to season the steel and prevent rust. Never use soap or chemical degreasers.

When Is the Best Time to Clean a Flat Top Grill?

The best time to clean your flat top grill is immediately after you finish cooking, while the solid carbon steel cooktop is still warm. Heat makes residual grease, caramelized sugars, and burnt-on food pliable, allowing a metal scraper to glide effortlessly across the surface. If you allow the steel to cool completely, the leftover oils and food particles harden into a tough, sticky layer that requires reheating to remove properly.

Cleaning should be the final step of your outdoor cooking ritual. Unlike traditional gas grills or standard charcoal grills—where grease drops into a dark abyss and cleaning involves scrubbing intricate wire grates—a flat solid-steel cooktop griddle is designed for a quick, continuous scrape. Because your Arteflame grill features a slightly pitched cooktop, grease drains inward into the fire. There are no hidden grease traps to empty and no flare-ups to battle.

By taking three minutes to scrape and oil the cooktop while the wood or charcoal fire dies down, you lock in a protective seasoning. This simple habit ensures your grill is instantly ready for your next backyard cookout, with a naturally non-stick surface that improves with every single use.

What Tools Do You Need to Clean a Carbon Steel Cooktop?

You only need three basic items to maintain a solid carbon steel cooktop. Forget the heavy chemical degreasers, buckets of soapy water, or abrasive wire brushes that you might use on standard grills. Those harsh methods will strip away the hard-earned polymerized oil layer—the seasoning—that makes your flat top naturally non-stick.

Keep your maintenance kit simple and store it readily available near your grill. A dedicated scraping tool, a stack of clean wiping cloths, and a squeeze bottle of the right cooking oil are the only secrets to a lifetime of perfect, hassle-free cooks.

For the scraper, choose a stiff metal spatula with a wide, flat edge. A dedicated bench scraper also works exceptionally well. The goal is to have a rigid, straight edge that makes flush contact with the flat solid-steel cooktop griddle. For the wiping cloths, heavy-duty disposable paper towels or lint-free cotton rags are ideal. Always use long-handled tongs to hold the rag if the cooktop is too hot to touch.

Pro Tip: Always use a high smoke point oil like grapeseed, canola, or avocado oil for your final wipe-down. This oil bonds with the warm carbon steel as it cools, building a dark, durable, non-stick patina for your next cook.

How to Clean a Flat Top Grill Step-by-Step

Cleaning an Arteflame is incredibly efficient because you leverage the intense heat of the center fire to do the heavy lifting. The entire process takes less than five minutes and requires no water or steam.

1. Scrape the cooktop: Using your stiff metal spatula or straight-edge scraper, push all residual grease, charred food bits, and excess oil inward toward the center grill grate. Hold the scraper at a 45-degree angle to avoid digging the corners into the steel.
2. Feed the fire: Push the debris directly into the wood or charcoal fire. The fire, burning at over 1,000°F in the center, will instantly incinerate the residue. Because the grease drains inward into the fire, there are no flare-ups to worry about.
3. Wipe the surface: Take a clean, dry rag or a folded paper towel and wipe away any remaining grease film. If the steel is still extremely hot, grip the rag with long-handled tongs to protect your hands. Move any remaining food outward to the cooler natural heat zones if you are keeping items warm while cleaning the hotter sections.
4. Apply a protective oil coat: Pour a small amount of cooking oil onto the warm steel. Use a fresh cloth to spread the oil into a very thin, even layer across the entire flat top. This creates an oxygen barrier that prevents rust.

Once you finish spreading the oil, you are done. Because the grill features no lid, no oven, and no knobs to wipe down, you can simply walk away and enjoy your meal while the fire safely burns down to ash.

How Do You Restore a Neglected Flat Top Grill?

If you forgot to oil your grill after the last cook, or if you left it exposed to heavy rain without a protective layer, you might notice surface rust forming on the cooktop. Do not panic. Solid carbon steel is incredibly resilient, and surface rust is purely cosmetic. You do not need to replace the cooktop.

To restore the steel, you must first heat it up. Light your Arteflame using the standard method: pour some vegetable oil on three paper napkins, place them in the center of the grill, stack your firewood over the napkins, and light the paper. The grill is ready to cook—and ready to clean—in about 20 minutes.

Once the cooktop is hot, pour a generous amount of cooking oil directly onto the rusty spots. Use a grill stone or a wad of coarse steel wool to scrub the rust firmly. The oil will lift the rust, creating a dark slurry. Scrape this rusty oil slurry directly into the roaring fire. Wipe the surface completely clean with paper towels, and immediately apply a fresh, thin coat of oil to re-establish the seasoning. Your grill will look and perform as good as new.

Pro Tip: Never use cold water to clean or cool down your carbon steel cooktop. Rapid temperature changes can warp the heavy steel, and standing water encourages rapid rust formation. Rely entirely on heat, scraping, and oil.

What Are the Most Common Cleaning Mistakes?

Many beginners treat their flat top griddle like a kitchen sink frying pan or a traditional wire-grate gas grill. Avoiding these common errors will keep your cooktop slick, dark, and ready for heavy-duty searing.

• Using chemical degreasers: Harsh oven cleaners and chemical degreasers strip the polymerized oil layer right off the metal. This ruins the non-stick properties and leaves the raw steel vulnerable to immediate rusting.
• Scrubbing with wire brushes: Cheap wire bristles can snap off and end up in your food, creating a serious health hazard. Furthermore, aggressive wire brushing scratches the smooth steel surface, making it harder to build an even seasoning.
• Washing with soap and water: Dish soap destroys oil-based seasoning, and water leads directly to oxidation. Your grill relies on a baked-on oil barrier to withstand the outdoor elements.
• Letting grease pool on the edges: The flat solid-steel cooktop griddle is hottest near the center and cooler toward the outer edge. If you let thick puddles of grease sit on the cooler outer edges without wiping them into the fire, they will turn into a sticky, rancid mess by your next cookout.

By sticking to the simple scrape-and-oil method, you respect the materials. The Corten steel body of the grill is designed to develop a beautiful, maintenance-free rust patina on the outside, but the solid carbon steel cooktop must always remain oiled and slick.

Frequently Asked Questions

Do I need to clean the center grill grate differently?

The center grill grate sits directly over the wood or charcoal fire, reaching temperatures well over 1,000°F to perfectly sear steaks, burgers, chops, and seafood. This intense heat incinerates most food residue naturally, so you only need to give the grate a quick scrape with a stiff spatula and wipe it with an oiled cloth. Since the grate is removable, you can easily take it out to clean or to cook with the center open.

Can I use olive oil to season my flat top grill?

Extra virgin olive oil has a low smoke point and will burn, turn bitter, and become sticky when exposed to high grilling temperatures. It is best to use a high smoke point oil, such as grapeseed, canola, or avocado oil, to create a durable, non-stick seasoning on your solid carbon steel cooktop.

How often should I deep clean my flat top grill?

If you scrape and oil your cooktop after every single use while it is still warm, you will rarely, if ever, need to do a harsh deep clean. This daily maintenance builds a protective patina that only gets better, darker, and more non-stick the more you use your Arteflame grill.

What if my scraper leaves scratches on the steel?

Light surface scratches from a metal spatula or bench scraper are completely normal and will fill in with polymerized oil as you continue to cook and season the grill. Always hold your scraper at a shallow 45-degree angle to avoid digging the sharp corners into the metal.