Emile Henry · Cookie Sheets
Emile Henry Ultimate Rectangular Baking Dish
Lower-concern baking dish; ceramic construction avoids common PFAS vectors, though brand provides no explicit PFAS transparency.
Emile Henry's Ultimate Rectangular Baking Dish is made from glazed ceramic stoneware, not nonstick-coated metal, so it avoids Teflon-type coating and common Teflon-family coating PFAS sources.
Shop Emile Henry on Amazon →Material
Glazed ceramic/stoneware (Emile Henry proprietary formulation)
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
Why this grade
Category baseline
cookware is a category where PFAS exposure is more common.
Safe base material
Made from a material with no inherent PFAS use (ceramic, mineral, or natural fiber).
The full breakdown
What it's made of and why it matters
The Emile Henry Ultimate uses glazed stoneware with a proprietary ceramic formulation, which inherently avoids synthetic nonstick coatings like Teflon-type coating. Glazed ceramics rely on fired mineral surfaces rather than polymer coatings, eliminating the risk of thermal degradation and fume release that affects traditional nonstick cookware. The glaze provides natural nonstick properties without chemical additives, though the specific glaze composition (including lead and cadmium limits) is not publicly disclosed by the brand.
The brand's record and disclosure
Emile Henry is a heritage French ceramic cookware manufacturer with decades of market presence and no documented safety recalls or compliance failures on record. The brand does not publicly disclose third-party testing results, material certifications (e.g., CPSIA, California Proposition 65), or explicit PFAS avoidance statements. This silence on transparency is typical of the ceramic cookware segment but represents a missed opportunity for consumer confidence; the absence of recalls suggests adequate quality control, but lack of disclosure limits independent verification.
How it compares in its category
Among ceramic baking dishes, Emile Henry sits in the premium tier and avoids the chemical hazards more common in budget glazed ceramics or metal cookware with nonstick coatings. Cast iron and stainless steel alternatives carry iron leaching and thermal stress risks; silicone baking mats introduce thermal stability concerns; aluminum sheet pans risk metal leaching under acidic conditions. Glazed ceramic's main advantage is chemical stability across temperature ranges, though surface durability and potential glaze wear over years of use are category-wide concerns.
If you buy it
Hand wash only; avoid sudden temperature changes (thermal shock can crack glaze). Inspect the glaze surface regularly for chips or crazing; if glaze is compromised, underlying ceramic may absorb moisture and food particles. Use oven temperatures up to the manufacturer's stated limit (typically 500F for Emile Henry). Do not use on stovetop or under broilers directly, as thermal gradient stresses can degrade the glaze. Replace if glaze is visibly worn or damaged, as this indicates loss of the protective barrier.
Beyond PFAS: other things we checked
Established hazard classes for this product type, assessed from public information. These never change the PFAS grade; a Likely flag caps the Verdict at “Buy with care.”
Lead or cadmium in glaze
Ceramic glazes historically used lead as a flux; modern manufacturers typically comply with FDA limits (less than 0.5 ppm lead migration). Emile Henry does not publicly disclose glaze composition or test results, so compliance cannot be independently verified, though the brand's decades of market presence without recalls suggests adequate control.
Glaze crazing and ceramic degradation
Over time, thermal cycling and use can cause microscopic cracks (crazing) in glazed ceramic surfaces. User reports indicate some Emile Henry pieces develop crazing after several years; this exposes porous underlying ceramic to water absorption and potential bacterial growth, though health risk from occasional exposure is minimal.
Thermal shock and structural failure
Glazed stoneware is susceptible to cracking if transferred directly from oven to cold surfaces or rinsed with cold water immediately after baking. Fractures can create sharp edges and expose unglazed ceramic; no recalls exist on record, but this is a known material limitation requiring user care.
Aluminum substrate leaching (if present)
Emile Henry Ultimate is pure stoneware, not aluminum-based, so aluminum leaching is not a concern. This distinguishes it from budget ceramic-coated aluminum bakeware, where coating degradation can expose reactive metal.
Microplastic or glaze particle shedding
Fired ceramic glaze does not shed microplastics (unlike silicone or polymer coatings). Minimal glaze particle release has been reported in scientific literature for ceramic cookware; risk is negligible under normal use and no recalls exist for this product.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 78% confidence. It is not a lab result.
No independent PFAS lab test is on record for this exact product. A lab test could move the score in either direction.
The brand has not made a specific, verifiable PFAS-free statement, so part of this score reflects that missing disclosure rather than a confirmed material.
Formulations and coatings change between production runs. Always check the current label before buying.
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More cookie sheets 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.