PFAS65/ 100Good
Overall53/ 100Good
Pampered Chef 13' Round Baking Stone

Pampered Chef · Pizza Stones & Baking Surfaces

Pampered Chef 13' Round Baking Stone

Good

Lower concern; uncoated ceramic stone carries minimal PFAS risk without public PFAS disclosure.

Verdict · SkipUncoated ceramic stoneware carries minimal chemical hazards; no recalls or contamination reports on record for this product line.

Ceramic-coated natural stone or stoneware without nonstick Teflon-family coating or water-repellent treatments. Pampered Chef doesn't publicly disclose PFAS use or absence, with no third-party testing available.

The better-graded swap

Deluxe Square Pizza Stone with Rack

Deluxe Square Pizza Stone with Rack

90/100 safety

90Excellent

Same rubric that flunked this product. The swap earned Excellent.

Still want this one anyway? Check the price on Amazon. We’d swap it.

Material

Ceramic-coated stoneware/clay

Brand disclosure

Brand is silent on PFAS

Lab data

No public lab test

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Is Pampered Chef 13' Round Baking Stone non-toxic? What it is made of

Pampered Chef's baking stone is ceramic-coated stoneware, a fired clay base with a glazed surface. Stoneware is chemically inert when properly fired and does not leach aluminum or other metals under normal baking temperatures (typically under 500°F). The glaze acts as a protective seal; uncoated ceramic stones avoid the nonstick coating concerns (Teflon-type coating, perfluorochemicals) that arise with metal or polymer surfaces. This material class shows lower concern for direct food contact.

What’s concerning

♾️

Category baseline

The starting point for this type of product, before anything specific to this product is counted.

70/ 100
♾️

No PFAS disclosure

No public statement from the brand about PFAS in this product.

85/ 100
⚠️

Thermal cracking and food contamination from fragments

Stoneware is brittle and prone to cracking under thermal stress or impact. While not a chemical hazard, cracks can trap bacteria or shed ceramic fragments into food. Risk is user-dependent (handling care, temperature control) rather than manufacturing defect.

70/ 100
⏳

Glaze degradation or spalling over time

Ceramic glazes can slowly wear or chip with repeated use and cleaning. Exposure of underlying clay after glaze loss poses minimal toxicity risk but increases water absorption and food sticking. Lifespan typically 5-10 years with proper care.

70/ 100
⚠️

Microbial growth if not dried thoroughly

Unglazed or porous areas on ceramic stones can retain moisture if stored damp, creating conditions for mold or bacterial growth. Not a manufacturing issue but a maintenance risk; proper air-drying prevents this.

70/ 100

What’s reassuring

✅

Base material not linked to PFAS

The main material recorded for this product is not one associated with PFAS.

100/ 100
🧠

Lead

No reports of lead or heavy-metal contamination in Pampered Chef ceramic cookware. US-made ceramic foodware is subject to FDA glaze testing; no violations on record for this brand or product line.

Source, ATSDR ↗
95/ 100

The full breakdown

The brand's record and disclosure

Pampered Chef (owned by Berkshire Hathaway) does not publish detailed material safety disclosures or third-party certifications for cookware. The brand has not voluntarily announced PFAS content or heavy-metal testing for this product. No recalls or safety warnings specific to this baking stone appear in FDA or CPSC databases. The lack of transparency is typical for direct-sales cookware brands, but absence of recalls suggests acceptable manufacturing controls.

How it compares in its category

Uncoated ceramic/stoneware stones show lower concern within pizza and baking surfaces, as they don't rely on nonstick chemical coatings. Metal perforated stones or silicone-based alternatives carry different hazard profiles (metal oxidation, silicone leaching under high heat). Ceramic stones require seasoning and careful handling but avoid synthetic coating degradation over time. This product aligns with low-chemical standards for the category.

If you buy it

Preheat gradually to avoid thermal shock cracking; do not exceed manufacturer recommended temperature (verify on packaging or Pampered Chef website). Season the stone lightly with oil before first use to reduce sticking and improve longevity. Avoid sudden temperature changes (do not place hot stone on cold surfaces). Replace if cracks develop, as thermal stress can propagate and fragments may reach food. Hand wash only; do not use dishwasher or abrasive scrubbing.

What we don’t know

Basis
Model estimate, 78% confidence, not a lab result
Lab test
None on record for this exact product
Brand statement
Pampered Chef has made none

Formulations change between production runs, so check the current label. How we grade.

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90ExcellentPFAS grade
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3 hazards checked on this product. See all of them.

Deluxe Square Pizza Stone with Rack

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90ExcellentPFAS grade
  • ceramic or unglazed stone; no nonstick coating
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2 hazards checked on this product. See all of them.

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Find an alternative on Amazon

More pizza stones & baking surfaces grades

How we score, every product runs through the same public 0-100 rubric based on materials, coatings, brand disclosure, lab findings, and recalls. See the full methodology → Spotted a mistake? Report an error.