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Cleaning a Pizza Oven|A Complete Guide

By Sherrer Rossi
Certified Italian pizza chef · Updated Mar 13, 2025
Cleaning a Pizza Oven|A Complete Guide

Pizza oven maintenance does not have to be complicated. Whether you have a wood-fired oven or an Ooni pizza oven, regular cleaning is essential for it to work better and last longer. 

Here, we will walk you through easy steps to clean your pizza oven, from the walls to the pizza stone. With a few simple steps, your pizza oven will be ready for your next meal. 

Let’s get started on keeping your oven clean and working perfectly!

Why Regular Pizza Oven Cleaning is Important

Regular pizza oven cleaning is vital for a few key reasons. First, it does not impact the taste and quality of your pizzas, as a clean oven ensures better cooking conditions. Second, it can extend the lifespan of your oven. 

importance of pizza oven cleaning

By cleaning your pizza oven regularly, you will enjoy tastier pizzas and save money by avoiding repairs or needing a replacement oven.

I. Impact on Pizza Taste and Quality

A clean pizza oven plays a big role in how your pizza tastes. When the oven is dirty, leftover grease, burnt food, and ash build up inside, which can affect the flavor of your food. When these residues burn again, they can create unpleasant smells and even give your pizza a bitter taste. 

Nothing is worse than the acrid smell of burnt grease clinging to your freshly baked pizza, ruining what should be a mouthwatering experience. A clean oven also ensures even heat distribution, which helps your pizza cook properly. 

II. Extending Oven Lifespan

Proper cleaning extends the pizza oven’s lifespan. Over time, grease, food, and ash can build up, damaging the oven’s parts and affecting its performance. 

Keeping your oven clean ensures better heat distribution and protects essential parts like burners and vents. Cleaning your oven regularly can save you money and keep it in good condition for years.

Cleaning Pizza Oven: Step-by-Step Guide

Cleaning your pizza oven regularly is easy with the proper steps. Follow the bellow simple, step-by-step guide to ensure your oven stays spotless, performs well, and lasts longer.

1. Cool Down the Oven

Let your oven cool down before cleaning to avoid burns and ensure safe cleaning. Wood-fired pizza ovens should also be allowed to cool naturally, as they hold heat for a long time. 

For an electric oven, always turn off the power and ensure the oven has cooled before you begin cleaning. For a gas oven, turn off the gas and wait until the oven is safe to handle before starting the cleaning process.

This step is essential to ensure safety and prevent damage to your oven.

2. Remove Ashes and Debris

After cooling, remove any ashes and debris from your oven. For a wood-fired oven, use a metal rake or shovel to clear the ashes, which can affect heat distribution.

I have found that using a long-handled pizza oven rake protects your hands from residual heat and makes it easier to reach the back of the oven, where ashes tend to accumulate most.  A vacuum or soft brush removes any remaining debris in an electric oven. Clear out any ashes around the burners to ensure proper function in a gas oven. 

Remove ashes and derbis

Once, I noticed that a small amount of ash near the burners caused uneven flames, so I always double-check these areas before lighting the oven. After removing the ashes and debris, safely dispose of them in a metal container.

3. Scrape Off Food Residue

To remove food residue from your oven, use a scraper or spatula to gently lift any stuck-on bits from the oven floor and walls. A soft brush or cloth can also help clean the edges. 

I recommend not scratching the surface while scraping to avoid damage.

4. Remove Removable Parts & Clean

Remove detachable parts from the oven, such as racks, trays, or pizza stones, for a thorough clean. Clean these parts separately using warm water, mild soap, and a soft sponge or cloth. For sticky residue, you can use a mild dish soap solution or a baking soda paste.

For wood-fired ovens, you can remove the chimney and clean out any soot buildup. Clean the removed parts thoroughly and allow them to dry before reinserting them into the oven.

5. Clean the Interior

To clean the oven’s interior, use a damp cloth or sponge to wipe down the walls, floor, and ceiling. For wood-fired ovens, a mixture of water and vinegar removes soot. 

Use a non-abrasive pizza oven cleaner for electric and gas ovens to avoid scratching.

6. Clean the Oven Door and Glass

To clean the oven door and glass, use a soft cloth or sponge with a mild cleaner or a mix of water and vinegar. For tougher stains, apply a baking soda paste and let it sit before wiping it off.

Clean the inside and outside of the door for a clear, spotless view. Regular cleaning of the door and glass ensures better visibility and maintains the oven’s appearance.

7. Clean the Exterior

To clean the oven’s exterior, use a soft cloth or sponge with a mild detergent or all-purpose cleaner. Wipe down the surfaces, including the door handles, knobs, and any other exposed areas. 

I recommend avoiding abrasive cleaners or scouring pads to prevent damaging the finish.

8. Dry Thoroughly

After cleaning, dry all oven parts thoroughly to prevent moisture buildup, which could cause rust or damage. 

Use a dry cloth to wipe down the interior, exterior, and removable parts. Ensure the oven door is scorched to avoid streaks or watermarks.

9. Reassemble and Do a Final Check

Once thoroughly cleaned and dried, reassemble the removable parts, such as racks, trays, and pizza stones. Make sure all parts are securely placed back in their correct positions.

Do a final check to ensure no leftover cleaning supplies, moisture, or debris inside the oven. Test the oven door to ensure it opens and closes properly, and check that all buttons or knobs are functioning.

How To Clean A Pizza Baking Stone

Even if your mouldy pizza stone appears clean, its porous surface can trap food oils, sauces, and cheese. If not properly cleaned, these residues can go rancid, impacting the flavor of future pizzas and potentially creating health risks.

how to clean pizza stone

Below is the simplest way to clean your pizza baking stone. 

I. Let It Cool

It is important to allow your pizza stone to cool down before cleaning it. Avoid washing it immediately, as sudden temperature changes can cause the stone to crack. 

Let it cool for 2 to 3 hours to ensure it is safe to handle and will not be damaged by the temperature shift.

II. Create a Baking Soda Paste

Make a paste with equal parts baking soda and water to remove any tough stains from the pizza stone. I recommend not using too much one tablespoon of each is enough. 

Apply the paste to any tough stain or food residue on the stone.

III. Scrub the Stone

After applying the paste, scrub your pizza stone. Use a soft brush or sponge to gently scrub the surface.

Focus on any remaining stains or food particles and use circular motions to lift the grime. Avoid using metal scrubbers or abrasive materials, as these can damage the stone. 

IV. Rinse and Dry

After scrubbing the stone, use a damp cloth or sponge to rinse off any remaining baking soda paste or debris. Do not use water. Make sure to remove all residues to prevent any lingering paste from affecting the next use of the stone. 

Once clean, dry the stone thoroughly by leaving it to air dry completely. This will help prevent moisture buildup.

Cleaning an Ooni Pizza Stone

The pizza stone mostly used in outdoor pizza ovens is cordierite. It has super characteristics of absorbing the heat to cook delicious pizzas ensuring that the base gets equally cooked too. Ooni pizza stones work effectively to bring you perfectly baked pizza crust.

onni pizza stone

These stones are usually made from ceramic and cordierite with high thermal mass. They tend to absorb heat and retain the intense temperature inside the oven. When pizza is placed on the pizza stone surface, the bottom of the pizza base gets crisp up evenly and more effectively than from a normal baking tray.

Common Mistakes to Avoid When Cleaning a Pizza Oven

Proper cleaning of your pizza oven is essential for its performance and longevity. Avoiding common mistakes ensures your oven works well and continues making great pizzas. Below are some mistakes people make while cleaning pizza ovens. 

I. Not Allowing the Oven to Cool Completely

People often do not allow the oven to cool completely. If you clean it while it is still hot, the sudden temperature change could burn you or damage the oven. 

Therefore, it is important to let your pizza oven cool completely before cleaning it. Waiting for it to cool down ensures safety and makes cleaning more effective.

II. Using Abrasive Tools on Sensitive Surfaces

People often use metal scrapers or steel wool to remove harsh residue, which can leave permanent marks. As noted in a Halov Versa 16 review, using such abrasive tools in your pizza oven can damage sensitive surfaces, such as scratching the stone or steel. 

Instead, I recommend using plastic or wooden scrapers to keep the surface intact. Non-abrasive brushes also work effectively without harming the surface.

III. Using Excessive Water on Stone Surfaces

One of the common mistakes people make when cleaning a pizza stone is using excessive water on stone surfaces. 

Mistakes to avoid in oven cleaning

Pizza stones are porous. They are designed to absorb moisture during baking, but too much water can make the stone soggy or cause it to crack due to the rapid change in temperature when heated. So, I recommend lightly dampening a cloth or sponge and avoiding soaking the stone.

Conclusion

Cleaning your pizza oven is important for keeping it working well and ensuring your pizzas taste great. Simple steps, like letting the oven cool, removing ash, and using gentle cleaners, can help the oven last longer. 

Be careful not to use harsh chemicals or too much water, as these can damage the oven. Regular cleaning keeps it in good shape and ensures your pizza cooks evenly and deliciously every time. With just a little effort, your oven will stay in top condition.

Frequently asked questions

How To Clean an Outdoor Pizza Oven?

To clean an outdoor pizza oven, first let it cool completely. Then, use a brush to remove any ash and debris from the inside. For tougher residue, scrub the oven walls and stone with a baking soda paste and wipe down the exterior with a damp cloth.

How Often Should You Clean a Pizza Oven?

You should clean your pizza oven after each use or when there is too much ash. This keeps the oven functioning correctly and prevents food residue from affecting pizza quality.

Can You Use Oven Cleaner on a Pizza Oven?

I recommend against using oven cleaners on a pizza oven. These cleaners contain harsh chemicals that can damage the oven and affect pizza flavor.

How Do You Clean Burnt Cheese from a Pizza Stone?

To clean burnt cheese from a pizza stone, let the stone cool and scrape off loose residue with a plastic scraper. Apply a baking soda paste to the stains, let it sit, and gently scrub the area.

Is It Safe to Leave Ash in a Wood-Fired Oven?

It is unsafe to leave ashes and burnt wood in a wood-fired oven, as they can absorb moisture and potentially cause damage to the stove. Additionally, using water to extinguish the fire is harmful, as it can affect the oven’s structure.

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