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PFAS in Pizza Stones & Ceramic Bakeware: Which Brands Grade Best and Worst

Caraway and GreenPan's ceramic nonstick pizza pans emerge as the clear leaders in our PFAS concern assessment, both earning A-grade ratings (100/100 safety score) based on available materials and public disclosure data. These products represent a notably lower concern profile compared to conventional nonstick alternatives, driven by their ceramic coating formulations that avoid legacy PFAS compounds commonly found in older polytetrafluoroethylene (PTFE) and polyvinylidene fluoride (PVDF) technologies. However, a critical caveat: these grades represent our model-based estimates derived from material composition, manufacturing transparency, and third-party certifications—not definitive laboratory confirmation of zero PFAS presence. The distinction matters because PFAS chemicals are extraordinarily persistent, and newer ceramic formulations may still contain "replacement" fluorinated compounds that toxicologists are still characterizing.

In stark contrast, Cuisinart's Pizza Grilling Pack, Williams Sonoma's Goldtouch Pro Pizza Pan, and Our Place's Wonder Oven Baker's Kit all carry F-grade ratings (15/100 safety score), indicating substantially higher concern based on their use of traditional nonstick chemistries and limited manufacturer transparency on PFAS avoidance. This guide walks you through the landscape of pizza stones and ceramic bakeware, explaining which brands disclose their formulations rigorously and which remain opaque—and why that opacity itself is a red flag for PFAS-conscious shoppers.

Quick Comparison Table: Pizza Stones & Ceramic Bakeware PFAS Grades

Product	Brand	Type	PFAS Grade	Safety Score	Verdict
Caraway Ceramic Nonstick Large Pizza Crisper Pan	Caraway	Ceramic Nonstick	A	100/100	Lower concern; strong material transparency
GreenPan Premiere Ovenware Round Pizza Baker	GreenPan	Ceramic Nonstick	A	100/100	Lower concern; Thermolon™ ceramic coating
Caraway 15" Ceramic Nonstick Pizza Pan	Caraway	Ceramic Nonstick	A	100/100	Lower concern; consistent brand profile
GreenPan Stanley Tucci Pizza Stone	GreenPan	Ceramic Stone	B	80/100	Moderate concern; limited PFAS transparency
Emile Henry Rectangular Pizza Stone	Emile Henry	Ceramic Stone	C	70/100	Higher concern; traditional ceramic, no PFAS disclosure
Le Creuset 15" Round Pizza Stone	Le Creuset	Ceramic Stone	C	70/100	Higher concern; enamel-coated ceramic, PFAS status unclear
Cuisinart Pizza Grilling Pack	Cuisinart	Nonstick (PTFE-based)	F	15/100	Substantially higher concern; traditional nonstick chemistry
Williams Sonoma Goldtouch Pro Pizza Pan	Williams Sonoma	Nonstick (Gold coating)	F	15/100	Substantially higher concern; opaque formulation
Our Place Wonder Oven Baker's Kit	Our Place	Nonstick (proprietary)	F	15/100	Substantially higher concern; insufficient PFAS documentation

Understanding PFAS in Pizza Stones and Bakeware

PFAS (per- and polyfluoroalkyl substances) are synthetic chemicals prized in nonstick coatings because of their extreme stability and water/grease resistance. Traditional pizza pans and some ceramic-coated bakeware still rely on PFAS-containing chemistries, particularly PTFE (polytetrafluoroethylene, branded as Teflon®) and PVDF. When heated—especially during high-temperature baking—these coatings can degrade and potentially release fluorinated compounds into food and surrounding air. Ceramic-based nonstick systems, by contrast, use mineral coatings (often silica or clay-derived formulations) that do not inherently require PFAS for performance.

The risk profile hinges on three factors: coating chemistry (does it use PFAS or PFAS alternatives?), manufacturer transparency (do they disclose formulation details?), and regulatory compliance (does the brand adhere to stricter international standards?). It is crucial to note that association is not causation: the presence of PFAS in a product does not automatically cause harm, and epidemiological studies linking PFAS exposure to health outcomes remain ongoing. Nonetheless, the persistence of PFAS in the human body and environment warrants a precautionary approach—especially in items that contact food repeatedly.

A-Grade Products: Lower Concern Ceramic Leaders

Caraway Ceramic Nonstick Large Pizza Crisper Pan

Materials & Coating: Caraway's pizza crisper pan features a proprietary ceramic nonstick coating applied to an aluminum core. The brand explicitly states that its coatings are PTFE- and PFOA-free, and publicly shares ingredient sourcing commitments. Our model-based safety assessment (A grade, 100/100) reflects this transparent approach and the avoidance of legacy PFAS compounds.

Brand Claims vs. Third-Party Verification: Caraway touts "clean-ingredient nonstick" and claims no PTFE, PFOA, lead, or cadmium in its ceramic coating. While the brand has not published independent lab certifications in public databases, their supply-chain transparency and third-party testing claims (stated on product pages) provide stronger evidence than competitors who remain silent on formulation.

Pros: Lightweight for a pizza pan; rapid, even heat distribution; nonstick surface reduces oil requirement; ceramic naturally resists scratching and degradation better than PTFE; brand actively communicates PFAS avoidance. Cons: Ceramic nonstick surfaces are less durable than traditional PTFE over decades of use; price point ($45–60) is higher than basic steel stones; not suitable for broiler use at maximum heat.

GreenPan Premiere Ovenware Round Pizza Baker

Materials & Coating: GreenPan's round pizza baker uses the brand's proprietary Thermolon™ ceramic nonstick coating, a silica-based formulation designed to avoid PTFE and PFAS. The base is hard-anodized aluminum, which provides durability and even heat conduction.

Brand Claims vs. Third-Party Verification: GreenPan claims Thermolon is PTFE-, PFOA-, and PFOS-free. The brand has obtained certifications from NSF International and other third-party bodies confirming absence of these legacy PFAS compounds. However, Thermolon's complete chemical profile—particularly whether it contains newer, shorter-chain fluorinated compounds—has not been exhaustively published in independent peer-reviewed literature.

Pros: Consistent oven performance; Thermolon coating is well-established across their cookware line; strong third-party certifications; oven-safe to 400°F; dishwasher-safe. Cons: Ceramic nonstick surface loses effectiveness over 2–3 years of regular use; price competitive with Caraway (~$50–65); hand-washing recommended for longevity despite dishwasher compatibility.

Caraway 15" Ceramic Nonstick Pizza Pan

A larger variant of Caraway's pizza pan line, this 15-inch model maintains the same A-grade profile and PFAS-avoidance commitment. Suitable for home and small-commercial kitchens, it offers the same material transparency and heat-distribution benefits as its smaller counterpart. Caraway's consistency across product lines reinforces its lower-concern positioning.

B-Grade Products: Moderate Concern, Mixed Signals

GreenPan Stanley Tucci Pizza Stone

Materials & Coating: This collaboration between GreenPan and celebrity chef Stanley Tucci uses natural ceramic stone without explicit nonstick coating—a simpler, more traditional approach. The stone itself is ceramic, not ceramic-coated metal.

Why B-grade, not A? While the product avoids modern nonstick chemistries altogether, GreenPan provides limited public disclosure about additives, glazes, or processing chemicals used in stone production. The absence of a nonstick coating is a plus, but the lack of detailed material transparency places it in the moderate-concern category. No evidence of PFAS has been found in reviewed public sources, but the limited documentation prevents an A-grade assessment.

Pros: Classic pizza-stone performance; ceramic naturally PFAS-free; no degrading coating to worry about; improves with age and seasoning. Cons: Requires preheating and proper conditioning; heavier than nonstick alternatives; unglazed surfaces may retain odors; B-grade reflects documentation gaps, not confirmed PFAS presence.

GreenPan Pizza & Baking Stones and GreenPan Pizza & Baking Stone

Both variants carry B grades for the same reason: solid ceramic construction without nonstick coating, but limited brand disclosure on glaze chemistry or processing additives. These are heritage-style pizza stones suitable for purists and users confident in traditional oven techniques.

C-Grade Products: Higher Concern—Traditional Ceramic, Unclear PFAS Status

Emile Henry Rectangular Pizza Stone and Emile Henry Pizza Stone EH349514

Emile Henry manufactures high-end ceramics widely respected in professional kitchens. However, the brand provides minimal public documentation on PFAS avoidance or glaze additives. The enamel coatings used on some Emile Henry pieces historically have included compounds that may contain PFAS or PFAS-adjacent chemicals; no third-party lab results negating this have been found in our review. The C-grade reflects this documentation gap and historical industry practices, not confirmed PFAS presence.

Le Creuset 15" Round Pizza Stone

Le Creuset's iconic enameled ceramic cookware and bakeware is beloved for aesthetics and heat retention. However, Le Creuset's proprietary enamel formulation is not publicly disclosed for PFAS content. The brand has not published third-party certifications or PFAS-avoidance statements. This opacity, combined with the use of enamel (which has historically been a vector for PFAS in some manufacturing), places Le Creuset in the C-grade tier—higher concern due to lack of transparency, not confirmed PFAS content.

Lodge Cast Iron Baking Stone (Glazed Ceramic) and Lodge Weber Gourmet BBQ System Pizza Baking Stone

Lodge, a heritage cast-iron foundry, offers ceramic pizza stones with proprietary glazes. Like Le Creuset, Lodge does not publish detailed PFAS disclosures or third-party certifications for its ceramic products. The C-grade reflects insufficient public documentation rather than confirmed contamination, but the opacity warrants caution.

F-Grade Products: Substantially Higher Concern—Avoid These

Cuisinart Pizza Grilling Pack and Cuisinart Deluxe Pizza Grilling Pack

Materials & Coating: Cuisinart's pizza grilling packs use traditional nonstick coatings, including PTFE-based chemistry (Teflon®). The brand provides no published commitment to PFAS avoidance and no third-party certifications negating PFAS presence.

Why F-grade? These products embody the legacy nonstick technology most associated with PFAS exposure risks. PTFE coatings, while regulated at the manufacturing level in many countries, are known to degrade under high heat and potentially release fluorinated compounds. Cuisinart's silence on PFAS mitigation or coating alternatives is a major red flag. F-grade indicates substantially higher concern based on confirmed use of PFAS-containing chemistry and absence of transparency.

Avoid if you prioritize PFAS reduction.

Williams Sonoma Goldtouch Pro Pizza Pan

Materials & Coating: Williams Sonoma's "Goldtouch" branding suggests a proprietary nonstick coating, but the brand provides zero public disclosure of its chemical composition. The golden hue is cosmetic; the underlying chemistry is opaque.

Why F-grade? Proprietary nonstick coatings without published ingredient lists or third-party certifications are inherently problematic from a PFAS-transparency standpoint. The refusal to disclose formulation—standard practice in the industry, but nonetheless alarming—prevents any confidence that PFAS compounds are absent. F-grade reflects justified concern rooted in opacity, not confirmed PFAS content.

Our Place Wonder Oven Baker's Kit

Materials & Coating: Our Place markets "non-toxic" cookware with