How to Clean and Maintain Stoneware Bakeware for Lasting Performance

Stoneware bakeware is a kitchen favorite for its even heat distribution, rustic charm, and natural non-stick surface that improves with use. However, without proper care, even the best stoneware can develop cracks, stains, or lose its seasoning. Whether you are baking a crispy casserole or a golden loaf, knowing how to clean and maintain your stoneware ensures it performs beautifully for years.

In this guide, we cover everything from daily cleaning routines to deep stain removal, plus tips to avoid common mistakes. With a little attention, your stoneware—like the versatile Holy Sheet Duo & Baking Mats or the charming Sweetie Pie—will remain a reliable workhorse in your kitchen.

Why Stoneware Needs Special Care

Stoneware is made from dense clay fired at high temperatures, giving it a porous surface that absorbs oils and moisture. This porosity is what creates its natural non-stick patina over time. But it also means stoneware can absorb food residues, odors, and stains if not cleaned correctly. Harsh detergents, abrasive scrubbers, or sudden temperature changes can damage the surface, leading to cracks or loss of non-stick properties.

Unlike metal or glass bakeware, stoneware should not be soaked in water or placed in the dishwasher. The prolonged moisture can seep into tiny cracks and cause the piece to crack during baking. Instead, gentle hand washing and proper drying are key. Understanding these unique characteristics helps you preserve your bakeware's performance and appearance for decades.

• Always let stoneware cool completely before cleaning to prevent thermal shock.
• Avoid using metal utensils that can scratch the surface.

Daily Cleaning Routine for Stoneware

For everyday cleaning, start by scraping off any food residue with a soft spatula or plastic scraper. Rinse the piece with warm water and a small amount of mild dish soap. Use a soft sponge or cloth to gently clean the surface, avoiding abrasive pads that can remove the seasoning. For stubborn bits, create a paste of baking soda and water, apply it to the area, and let it sit for 10 minutes before scrubbing gently.

After washing, rinse thoroughly and dry immediately with a clean towel. Do not air-dry stoneware, as standing water can be absorbed into the pores. If you notice a slight residue after drying, it is likely the natural patina forming—this is a good sign. For pieces like the Holy Sheet Duo & Baking Mats, a quick wipe with a paper towel after each use helps maintain the surface.

• Use a soft sponge or brush—never steel wool.
• Dry completely to prevent water spots and mold.

Removing Stubborn Stains and Odors

Over time, stoneware can develop brown stains from oils or absorb strong odors from garlic or cheese. For stains, make a paste of baking soda and hydrogen peroxide (or water) and spread it over the stained area. Let it sit for 15–30 minutes, then scrub gently and rinse. For odors, fill the piece with warm water and add a few tablespoons of baking soda or white vinegar. Let it soak for an hour, then wash as usual.

If the stain persists, try a gentle oxygen bleach soak (follow the product instructions). Avoid chlorine bleach, as it can damage the clay. For deeply set stains on a beloved piece like the Sweetie Pie, repeat the baking soda treatment a few times. Remember, some discoloration is normal and adds character—your bakeware is not ruined.

• Test any new cleaner on a small hidden area first.
• Avoid soaking for more than an hour to prevent water absorption.

How to Maintain the Non-Stick Patina

The natural non-stick surface of stoneware develops over time as oils and fats bake into the pores. To speed up this seasoning, lightly coat the interior of a new piece with a thin layer of vegetable oil and bake it at 350°F (175°C) for one hour. Let it cool in the oven. After each use, a simple wipe with a paper towel is often enough to keep the patina intact.

Avoid using cooking sprays, as they contain lecithin and propellants that can create a sticky residue. Instead, brush on a small amount of oil or butter before baking. For pieces like the Holy Sheet Duo & Baking Mats, the included baking mats can reduce the need for oiling while still protecting the surface. Regular seasoning keeps your stoneware releasing food easily and prevents sticking.

• Season new stoneware before first use for best results.
• Re-season annually or when food starts sticking again.

Common Mistakes to Avoid

One of the biggest mistakes is placing cold stoneware directly into a hot oven. Always put your bakeware into a cold oven and let it preheat with the oven, or allow it to come to room temperature before heating. Similarly, never pour cold water onto a hot stoneware dish—this can cause immediate cracking. Thermal shock is the leading cause of breakage.

Another mistake is using soap too aggressively. While mild soap is fine for occasional cleaning, frequent heavy soap use can strip the seasoning. Also, avoid stacking heavy items on top of stoneware, as the weight can cause hairline cracks. Store your pieces with a soft cloth or paper towel between them to prevent scratches. Treat your stoneware gently, and it will reward you with consistent baking results.

• Never use the self-cleaning cycle on your oven with stoneware inside.
• Store stoneware in a dry place, not on a damp shelf.

With these simple cleaning and maintenance tips, your stoneware bakeware will stay beautiful and functional for years. Whether you are baking a pie in the Sweetie Pie or roasting vegetables on the Holy Sheet Duo & Baking Mats, proper care ensures every meal comes out perfectly. Start your stoneware care routine today and enjoy the lasting performance of your favorite bakeware.