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How to Clean a Pizza Stone Without Ruining It

How to clean a pizza stone without soap: let it cool, scrape, brush, and let heat burn off the rest. Works for home ovens and outdoor pizza ovens.

By October 25, 20265 min readHow we research

A topped pizza on a metal peel being slid onto the dark stone floor of a gas-fired pizza oven
Photo by Yusuf Çelik on Pexels

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The short answer

  • To clean a pizza stone, let it cool completely, scrape off dry debris with a scraper or stiff brush, wipe with a barely damp cloth and let heat do the rest. No soap, no soaking.
  • Stains and dark patches are normal. They are baked-on oil and flour, not damage, and they do not change how the stone bakes.
  • Outdoor oven stones mostly clean themselves: the next 800-900°F preheat burns off crumbs, so brush the ash and move on.
On this page

Here is how to clean a pizza stone: let it cool completely, scrape off dry crumbs with a plastic scraper or stiff brush, wipe it with a barely damp cloth and skip the soap. Stains are normal and fade with heat, never with scrubbing. Outdoor stones are even easier, since the next preheat in the best outdoor pizza oven for your backyard burns residue to ash.

Does a pizza stone need to be washed?

Rarely. A pizza stone is porous, so it soaks up oil, water and cleaning products instead of shedding them. Most makers’ care guides say to scrape, brush and let the heat of the next bake do the cleaning. Wash only for a spill of cheese or sauce, and then only with a brush and a splash of warm water.

How do you clean a pizza stone step by step?

Work only on a stone that has fully cooled. Cleaning a hot stone with a cloth or water is how most stones crack.

  1. Let the stone cool to room temperature inside the oven or on a rack. Care guides generally say to wait until it is completely cool, which can take a few hours.
  2. Scrape off dried cheese and dough with a plastic scraper or a wooden spatula.
  3. Brush the surface with a stiff, dry brush to remove crumbs and flour.
  4. Wipe the pizza stone once with a damp, well-wrung cloth or towel for any film.
  5. Dry the stone completely in the open air of your kitchen before it goes back into a hot oven.

Wait for room temperature

A hot stone meets a wet cloth and the surface shocks, which is the usual cause of cracks. If the stone feels even slightly warm, it is not ready.

Is it okay to wash a pizza stone with soap and water?

No. Soap soaks into the pores and releases later as smoke and an off flavor on the crust. Trapped water is the other danger: it turns to steam in a hot oven and can crack the stone. If you must rinse a stuck spot, use a few drops of warm water and a brush, then let the stone air dry for a full day or more.

Can you use dish soap on a pizza stone?

Skip it. Dish detergent soaks into the pores and can flavor the next pizza, however well you rinse. The same goes for a dishwasher: a soaked, detergent-filled stone is the worst case.

My pizza stone got wet. What should I do?

Stand it on its edge somewhere airy and leave it to dry completely, a full day or more for a thick stone, as makers generally advise. Do not rush it with a hot oven: trapped water turns to steam faster than it can escape the pores.

Can I wash a pizza stone in the dishwasher?

No. A dishwasher soaks the pizza stone in hot water and detergent, and a porous stone keeps both. The next time the oven heats, the trapped moisture can crack it and the detergent can flavor the pizzas.

How do you remove stuck-on food and burn marks?

For stubborn spots, scrape first, then make a paste of baking soda and a little water, rub it on gently with a brush or cloth and wipe it off with a barely damp cloth. Let the stone dry fully. For anything left over, bake the stone empty in a home oven at a high setting, around 500-550°F, which burns off most residue to ash you can brush away.

Problem Fix Avoid
Dry crumbs Brush Water
Stuck cheese Scrape Metal blade
Greasy spot Baking soda Soap
Dark patch Leave it Scrubbing
A sauced pizza on a white plate in front of a glowing wood fire inside a brick oven
Oven heat is the cleaning cycle: residue burns off on the next firing. · Photo by Mondgesicht on Pixabay

Why is my pizza stone turning black?

Because baked-on oil, flour and sugars carbonize into a dark patina. That is seasoning, not dirt, and it is normal for any stone that is used. Many bakers find a darker stone releases pizza more easily. Do not scrub to restore the original color; you would only wear down the surface and push moisture into it.

How do you clean an outdoor pizza oven stone?

The baking floor of an outdoor oven is often cordierite, and it is cleaned the same way, only less often. Let the oven cool fully on its heat-proof base (see stand ideas for an outdoor pizza oven), brush out ash and crumbs with a dry brush and scrape any melted cheese. Because the stone runs near 800-900°F, the next preheat turns leftover flour and oil to ash. Never wash it or quench a hot floor with water.

Heat that burns residue off the stone
Home oven stone500–550°F
Outdoor oven stone800–900°F

Burn it off, then brush

Instead of scrubbing, run the oven empty for a normal preheat and sweep the ash from the cooled stone afterward. A dry brush is all most outdoor stones ever need.

Flour-dusted dough balls and rolled-out dough beside a rolling pin on a dark counter
Less flour on the peel means fewer crumbs to burn on the stone. · Photo by HardyKlossek on Pixabay

What not to do with a pizza stone?

A few habits ruin more stones than any stain does:

  • Soaking, soaping or running it through the dishwasher.
  • Oiling it: oil smokes and turns sticky on the surface.
  • Putting a cold stone into a hot oven, or a hot stone onto a wet counter.
  • Scrubbing at stains with abrasive pads.

Heat a stone with the oven, from cold, rather than dropping it into a hot one. That gradual rise is what keeps it intact for years.

How do you keep a pizza stone clean in the first place?

Prevention beats scrubbing. Dust the peel with a little flour or semolina rather than a heavy coat, because loose flour scorches and leaves a bitter taste. Keep wet toppings off the edges so cheese does not drip onto the stone, and bake on parchment only in a home oven at moderate heat, since paper burns at outdoor-oven temperatures. After each bake, let the pizza stone cool, brush it down and put it away dry. A stone that is brushed every time never builds up the crust of food that tempts people to scrub.

Next in this series: How to Reheat Pizza in an Oven: Best Way to Stay Crisp

Frequently asked questions

Does a pizza stone need to be washed?

No. Scrape and brush off loose debris once the stone is cool, and let heat burn off the rest. Washing is rarely needed because the stone is porous and soaks up whatever it touches.

Can you wash a pizza stone with soap and water?

Avoid it. The porous surface absorbs soap, which can later taste and smoke in the oven. Use a dry brush, a scraper and, for stubborn spots, a little warm water.

Can a pizza stone go in the dishwasher?

No. Soaking leaves a stone full of water and detergent, and trapped moisture is what cracks it when it heats up again.

My pizza stone got wet. What should I do?

Let it air dry completely, a full day or more for a thick stone, before it goes near heat. A damp stone heated quickly can crack.

About the author: , Editor

Elena Marlowe edits Bistro Bounty's guides to home espresso and coffee bars, pizza, chef knives and cookware, baking, and wine and bar gear. Every recommendation is built from manufacturer specifications, long-run price history and the patterns in what verified owners report after months of use, including the complaints. When a product has a known weak spot, Elena Marlowe says so. How we research