Emile Henry · Cookie Sheets
Emile Henry Lasagna Dish
Lower PFAS concern, ceramic bakeware is inherently low-risk, though brand discloses nothing explicitly.
Emile Henry lasagna dishes are made from glazed stoneware, a ceramic material that does not require PFAS coatings to function. No nonstick layer, water-repellent treatment, or stain resistance claims are marketed. The brand does not publicly state PFAS-free status, but the material class carries lower concern than coated cookware.
Shop Emile Henry on Amazon →Material
Glazed stoneware/ceramic
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
Emile Henry lasagna dishes are glazed stoneware, a fired clay body coated with a glass-like glaze. Stoneware is denser than earthenware and fired at higher temperatures (2200-2300°F), making it more chemically stable and less porous. The glaze seals the porous clay underneath, reducing leaching risk. Unlike metal bakeware, ceramic does not conduct heat as evenly, so hot spots are possible; the glaze itself hardens during firing and does not re-melt at normal cooking temperatures.
The brand's record and disclosure
Emile Henry is a French cookware brand with a 90-year history; no major product recalls or leaching incidents are publicly documented. The company does not publish explicit test reports for heavy metals or other contaminants in its glazes, nor does it claim third-party certification (e.g., lead-free testing per FDA standards). This silence is common among mid-to-premium ceramic makers and does not necessarily indicate a problem, but it limits independent verification. Emile Henry's reputation rests on manufacturing quality rather than transparent safety disclosure.
How it compares in its category
Glazed stoneware lasagna dishes are safer than metal non-stick bakeware (which risks Teflon-type coating fume off-gassing) and safer than unglazed terracotta (which can leach minerals if acidic foods are stored). Emile Henry's mid-to-premium pricing reflects thicker walls and tighter glaze quality control compared to budget ceramic alternatives. The main trade-off versus metal pans is uneven heating and longer preheating time; the safety profile is measurably lower-risk.
If you buy it
Do not use at temperatures above 500°F; most ceramic glazes are stable to that point, but rapid cooling or thermal shock can cause fine crazing (cracks in the glaze surface). Hand-wash if possible to avoid dishwasher thermal stress. Inspect the glaze yearly for chips, crazing, or discoloration; if the glaze is visibly compromised, retire the dish to avoid micro-flaking into food. Avoid prolonged storage of acidic foods (tomato-based sauces, citrus) in the dish; acidic pH can very slowly mobilize trace metals in older or lower-quality glazes, though Emile Henry's formulation is unlikely to pose a risk.
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
Emile Henry does not publish independent test results for lead or cadmium content in its glazes. No recalls or incidents linking Emile Henry stoneware to heavy metal leaching are on record. FDA-compliant glazes are required to contain less than 0.1 ppm lead and 0.01 ppm cadmium in food-contact surfaces; brand compliance is assumed but unverified.
Glaze degradation and microflaking
Repeated thermal stress or dishwasher use can cause crazing (fine cracks) or glaze separation in ceramic bakeware. If the glaze degrades, small ceramic particles may shed into food. Handwashing and avoiding sudden temperature changes minimize this risk.
Mineral leaching from clay body
Stoneware is denser and less porous than earthenware; the glaze seals the clay underneath. No documented leaching of minerals from Emile Henry stoneware is on record. Unglazed or poorly glazed ceramic poses higher risk.
Thermal shock and fracture
Rapid temperature changes (e.g., moving a hot dish to cool water) can cause the stoneware to crack or shatter. This is a handling hazard rather than a chemical one, but fragments could contaminate food. Stoneware is more brittle than metal and requires careful thermal management.
Uneven heat distribution
Ceramic heats more slowly and unevenly than metal, creating hot spots that may burn edges of food or cause undercooked centers. This is a performance issue, not a safety hazard, but users should preheat thoroughly and monitor cooking time.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 85% 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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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.