How to Clean a Blackstone Griddle

To clean a Blackstone griddle after cooking, let the top cool a little, scrape off food and grease, loosen anything stuck with water and a scouring pad, wipe the steel dry, and finish with a thin coat of oil before you cover it. Skip soap and cleaning products once the top is seasoned. Rust takes a heavier routine: heat, scrape, scrub with oil and a grill stone until the debris wipes away clean, then season the top again.

Propane and charcoal grills are for outdoor use only (NFPA), and no grill should be used inside a home, garage or camper because of the risk of carbon monoxide poisoning (CDC); for pellet and wood-fired models, follow your manual.

This guide on how to clean a Blackstone griddle is built only from Blackstone’s own published care instructions, which appear on several pages of the company’s site and do not agree on every step. You will find a routine for every cook, a side-by-side look at where Blackstone’s pages differ, how to clean the grease cup and the parts under the top, and a full section on removing rust.

What You Need to Clean a Blackstone Griddle

Blackstone’s care guide, its article How Often Does a Griddle Need to Be Seasoned? and its Griddle 101 post together list this kit for routine cleaning. Keep it next to the griddle so cleanup happens while the top is still warm:

• A metal spatula or a sturdy griddle scraper
• Plenty of paper towels, plus a dish cloth for drying
• Water (hot water helps with stuck food, per the care guide)
• A griddle scouring pad for stuck-on residue
• Tongs, so your hand stays off the steel while you wipe
• A small amount of neutral cooking oil, or a griddle conditioner
• Heat-resistant gloves

The gloves matter more than they look. The NFPA Grilling Safety tip sheet notes that roughly half of the injuries involving grills are thermal burns, and a griddle top holds its heat. Blackstone’s care guide puts it simply: the top gets hot fast but cools down slowly, so the steel keeps cooking after you shut off the propane.

How to Clean a Blackstone Griddle After Every Cook

This sequence merges the routine on Blackstone’s care guide, its how-often article and its Mastering Griddle Use 101 post. Where those pages disagree, the next section shows the choice made here.

1. Let the griddle cool slightly. Turn off the burners and give the top a few minutes. Blackstone’s care guide says to let the griddle cool down before cleaning so you do not burn your hands, and its Griddle 101 post says to wear heat protective gloves while you wipe.
2. Scrape off food, oil and liquid. Use a metal spatula or scraper and discard what comes off. The how-often article says to scrape away food particles, oils and liquids before anything else.
3. Wipe the surface. Use paper towels held in tongs. The care guide says a dish cloth also works but gets greasy fast.
4. Loosen stuck food with water. Pour some water onto the warm griddle. The care guide says hot water makes harder residue easier to remove. Move the water around with the scraper so it lifts the remaining oil and small bits, then discard the sludge. Repeat with fresh water until the surface comes clean.
5. Scrub gently if needed. For anything still stuck, rub a griddle scouring pad gently over the spot. Blackstone recommends this in place of abrasive scrubbers, which it reserves for rust.
6. Dry the steel completely. Soak up the water with paper towels and dry the top gently with a cloth. The how-often article says to continue only when the surface is free of debris, oil and water.
7. Wipe on a thin coat of oil. Add a small amount of oil (the how-often article suggests about a tablespoon) and spread it in the thinnest coat you can with paper towels and tongs. Wipe up any drops or pooling. The care guide’s after-cooking list ends the same way: rub oil over the whole surface, then remove the excess with a paper towel.
8. Close it up. The Griddle 101 post says to empty and clean the grease cup, turn off the propane tank and cover the griddle. Let the top cool before the cover goes on, as the how-often article says.

After acidic or sugary foods. Blackstone’s how-often article says acidic foods such as lemons, limes, tomatoes, tomato sauce and vinegar can start to clean the griddle and degrade the seasoning, so use plenty of water when you clean up after them and finish with a little oil. It also notes that bacon often contains sugar or flavoring that caramelizes and burns onto the top, and that plenty of scraping and a bit of water handle it.

Where Blackstone’s Cleaning Instructions Differ

Blackstone describes the after-cook cleanup on at least three pages. They agree on scraping, water instead of soap, and oil at the end. The two most detailed versions differ on whether the burners stay on and how much oil to leave behind; the Griddle 101 post adds only a wipe with a heavy cloth and a coat of oil, and the rust article calls for 3 to 4 tablespoons of oil after every cook.

How the routine above resolves those gaps:

• Burners off by default. The care guide has you work on a griddle that has cooled slightly, while the how-often article keeps the burners on low to medium so the water steams off as you scrape. Both use the same idea (warm steel plus water). The routine above starts with the burners off because it keeps your hands farther from live heat. If residue will not lift, the how-often method of low to medium heat is Blackstone’s other option.
• Start with the smaller amount. Blackstone’s figures for the after-cook oil range from about a tablespoon to 3 to 4 tablespoons. Blackstone’s complete seasoning guide warns that thick oil coats lead to chipping and a buildup of sticky gunk, so about a tablespoon is the safer starting point.

What Not to Use on a Seasoned Griddle Top

A seasoned Blackstone top needs different care than a kitchen pan. Blackstone’s care guide is specific about what to leave out:

• Soap, once you have cooked on it. Blackstone says to use soap only on a brand-new griddle. On a used top it calls soap unnecessary and says it may leave residue that affects the taste of the next meal. The same guide adds that it is a myth that regular soap will ruin the seasoning, but that there is no reason to use it.
• Detergents and oven cleaners. The care guide says cleaning products like these will ruin the seasoning layer, can cause corrosion and can leave an off taste on the griddle.
• Abrasive scrubbers for routine cleaning. Blackstone says abrasive scrubbers only need to be used to remove rust because they scratch up the whole plate. Use water and a scouring pad for everyday residue.
• Clutter on the top. The care guide says not to pile anything on the griddle plate or keep pointy metal objects around it, since they can scratch the surface.

Skip the urge to scrub a top that is simply dark or uneven in color. A dark surface is the seasoning Blackstone wants you to build, not dirt. The abrasive tools in the rust section below are for orange or brown corrosion only.

Cleaning the Grease Cup, Burners and Side Shelves

The cooking surface gets most of the attention, but grease below it is the bigger safety issue. Blackstone’s griddle safety guide says to empty the grease collector after each cookout and to check that it is empty before you cook, and it calls built-up grease one of the major causes of gas griddle fires. The NFPA tip sheet gives the same advice for grills in general: keep the grill clean by removing grease or fat buildup from the grill and from the trays below it.

Blackstone’s safety guide also says never to use water on a griddle fire, because the fire may be burning grease, and tells owners to keep a fire extinguisher or a bucket of sand on hand.

For the rest of the unit, Blackstone’s Griddling Pre-Season Checklist gives a few occasional jobs:

• Bottom tray and side shelves. Wash them with a degreasing soap and water once in a while. This is the one place in the Blackstone pages reviewed here that suggests soap on a used griddle, and it is not the cooking surface.
• Burners and the area under the top. If the burners look dusty or you see spider webs, blow them out with an air compressor or a can of compressed air.
• Nests after a long break. Blackstone’s safety guide says that if the griddle sits unused for more than a couple of months, check under the flat top for insects, spiders or other animals nesting in the burner frame. Blackstone says debris there can interrupt the propane flow.

How to Clean Rust Off a Blackstone Griddle

Rust is the second cleaning job Blackstone’s pages cover, and it follows a different routine. Blackstone’s care guide explains the cause: its griddles are made of steel, which is iron plus carbon, and iron, water and oxygen together produce rust. Its rust removal article adds that humid air and homes near the beach supply enough moisture on their own, and that a protective layer of oil is what keeps water and oxygen away from the flat top.

The same article says rust forms only at the surface and does not affect the whole metal, which is why Blackstone’s fix is to scrape and scrub off the top layer rather than replace the plate.

What you need, per both Blackstone rust write-ups: a metal scraper, cooking oil, paper towels, grill stones and heat-resistant gloves. The rust article adds that steel wool or medium grit wet-or-dry sandpaper can stand in for a grill stone.

1. Heat the top. Put on heat-resistant gloves, light the burners and keep the heat high for 20 minutes. Blackstone’s rust article says this loosens the rust so it comes off more easily. Stay with the griddle the whole time; the NFPA tip sheet says never to leave a grill unattended.
2. Let it cool, then scrape. Turn off the burners, let the steel cool down, and scrape the whole flat top with a metal scraper until you no longer see corrosion. Wipe away the loose debris.
3. Scrub with oil and a grill stone. Pour oil over the surface (3 to 4 tablespoons in the rust article, 4 to 5 tablespoons in the care guide) and scrub the whole top with a grill stone, or with steel wool or medium grit wet-or-dry sandpaper.
4. Wipe it clean. Use a cloth or paper towels to lift the oily rust residue.
5. Repeat until the towels come away clean. Add another 3 to 4 tablespoons of oil, scrub and wipe again. Blackstone says to keep going until all signs of rust debris are gone.
6. Season the top again. Blackstone’s rust article follows the scrubbing with a full seasoning to create a protective coating that keeps rust from returning. Follow Blackstone’s own seasoning instructions; the seasoning steps themselves are outside the scope of this guide.
7. Add a protective layer of oil. When the seasoning is done, Blackstone says to add another 3 to 4 tablespoons of cooking oil as an extra barrier between the plate and the air and water around it.
8. Store it dry and covered. Both rust write-ups end with a cool, dry storage spot and a cover to protect the griddle from humidity.

Where the two Blackstone rust methods differ

The method above follows the rust article on timing: heat for 20 minutes, then let the steel cool before you scrape. Scraping after the top cools keeps your hands away from live heat, which is why this guide follows the rust article’s order. The oil amount matters less than coverage; use enough to keep the stone or steel wool moving over a wet surface, and wipe off the residue each round.

How to restore a Blackstone griddle after storage

A griddle coming out of winter storage with only light surface rust may need just a lighter version of the routine. Blackstone’s pre-season checklist says to clean any food or foreign residue off the top with your scraper, wipe off most surface rust with a cloth or scrape it off, then season the top well with oil, wipe it clean and season it again. Heavy or widespread rust calls for the full method above.

Before you light it for the season, check the gas supply. The NFPA tip sheet says to check the gas tank hose for leaks before the first use each year by applying a light soap and water solution: bubbles mean a leak. If there is a leak and no flame, turn off both the gas tank and the appliance. If the leak stops, have it serviced by a professional before using it again; if it does not stop, call the fire department. If you smell gas while cooking, get away from the appliance immediately, call the fire department and do not move it.

How to Keep Rust From Coming Back

Blackstone’s rust article frames prevention around one ingredient: water. Iron and oxygen are always present, so the goal is to keep moisture off the steel. Its tips, with the care guide’s storage notes:

• Oil after every cook. The rust article calls for a layer of oil and a quick paper towel wipe after each cook, as the barrier that keeps water and oxygen off the metal.
• Store it cool and dry. In a humid area, the rust article suggests a well-ventilated spot away from bathrooms. Blackstone’s care guide adds that the storage spot should not get hot, which it says is dangerous for the propane tank.
• Use a heavy-duty cover. Blackstone recommends a canvas cover to keep off humidity, dust and scratches.
• Check it monthly when idle. If you do not cook every week, the rust article says to look the top over at least once a month, since rust is easier to remove early than after it spreads. Blackstone’s safety guide suggests a light coat of oil after each check, rubbed on with paper towels, with no need to fire up the burners.

If rust keeps returning after a full cleaning and re-season, or the plate shows damage beyond surface rust, contact Blackstone through its support page before investing more time in it.

FAQ

Can you use soap on a Blackstone griddle?

Only on a brand-new top. Blackstone says to wash a new griddle with soapy water to remove residue from manufacturing and shipping, then stop using soap after the first cook. Its care guide says soap is unnecessary on a used top and may leave residue that affects the taste of food. Degreasing soap is fine on the bottom tray and side shelves.

How do you clean a Blackstone griddle with stuck-on food?

Scrape first, then pour water on the warm top and work the residue loose with the scraper. Blackstone’s care guide follows that with a scouring pad rubbed gently on the spot. Dry the steel completely and finish with a thin coat of oil.

How often should you clean the grease cup?

After every cookout. Blackstone’s safety guide says to empty the grease collector each time and to confirm it is empty before you cook, because built-up grease is a major cause of gas griddle fires.

How do you clean a rusty Blackstone griddle?

Heat it on high for 20 minutes, let it cool, scrape off the visible rust, then scrub with oil and a grill stone (or steel wool or medium grit wet-or-dry sandpaper). Wipe and repeat until no rust debris comes off, then season the top again and finish with a protective coat of oil.

Do you have to re-season a Blackstone griddle after removing rust?

Yes. Blackstone’s rust article ends its rust removal steps with a fresh seasoning to create a protective coating, followed by an extra layer of oil. Routine after-cook cleaning does not call for a re-season; Blackstone’s how-often article says a well-maintained griddle should not need one.

Can a rusty Blackstone griddle be restored?

Blackstone says yes for surface rust, since rust forms only at the surface of the metal. Its rust article describes heavy scraping and oil scrubbing followed by re-seasoning. If the plate is damaged beyond surface rust, contact Blackstone support.

Cleaning a Blackstone griddle is mostly a habit: scrape while it is warm, use water instead of soap, dry it fully and leave a thin coat of oil before the cover goes on. Do that after every cook, empty the grease cup, and the rust routine becomes the rare exception rather than a spring ritual.

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