15-Inch Ceramic Pizza Stone for Perfect Crispy Crusts vs Stainless-Steel Outdoor Pizza Pan: which is safer?

15-Inch Ceramic Pizza Stone for Perfect Crispy Crusts is the clear pick. Williams Sonoma Stainless-Steel Outdoor Pizza Pan carries a failing PFAS grade, and we never recommend buying a failing product.

Our pick

15-Inch Ceramic Pizza Stone for Perfect Crispy Crusts

15-Inch Ceramic Pizza Stone for Perfect Crispy Crusts

PFAS grade

Excellent 90/100

Overall grade

Good 64/100

Verdict

Buy with care

Hazard flags

⚑ 3

Material

Ceramic (clay-based baking stone)

Confidence

82%

PossibleGlaze degradation and surface leaching

LikelyThermal stress fracture

PossibleMicroporosity and microbial retention

Why this gradeBuy
Williams Sonoma Stainless-Steel Outdoor Pizza Pan

Williams Sonoma

Stainless-Steel Outdoor Pizza Pan

PFAS grade

Good 65/100

Overall grade

Good 57/100

Verdict

Skip

Hazard flags

⚑ 2

Material

Stainless steel

Confidence

82%

PossibleThermal damage or warping

PossibleSurface corrosion and pitting

Why this grade

Where these two actually differ

  • We flag Glaze degradation and surface leaching, Thermal stress fracture and Microporosity and microbial retention on the and not on the Williams Sonoma.
  • We flag Thermal damage or warping and Surface corrosion and pitting on the Williams Sonoma and not on the .
  • The is Ceramic (clay-based baking stone) where the Williams Sonoma is Stainless steel, which is most of the difference in these two grades.
  • The gap is 25 points, wide enough that this is not a close call, and the is the one to buy.

Both products run through the same public rubric: materials, coatings, brand disclosure, lab findings, and recalls, plus a beyond-PFAS hazard analysis. Grades are model-based estimates, not lab tests. How grades work →

More pizza stones & baking surfaces: see the full ranking