Rio Advanced Ceramic Nonstick Griddle vs Cast Iron Square Griddle: which is safer?

GreenPan Rio Advanced Ceramic Nonstick Griddle edges it on pure PFAS risk, but Le Creuset Cast Iron Square Griddle wins overall once other hazards are counted.

GreenPan Rio Advanced Ceramic Nonstick Griddle

GreenPan

Rio Advanced Ceramic Nonstick Griddle

PFAS grade

Good 70/100

Overall grade

Good 52/100

Verdict

Buy

Hazard flags

⚑ 3

Material

Ceramic-based nonstick coating

Confidence

72%

PossibleCoating degradation and substrate exposure

PossibleAluminum leaching

ReportedManufacturing consistency and third-party verification

Our pick

Le Creuset Cast Iron Square Griddle

Le Creuset

Cast Iron Square Griddle

PFAS grade

Good 65/100

Overall grade

Good 61/100

Verdict

Buy

Hazard flags

⚑ 1

Material

Cast iron with vitreous enamel glaze

Confidence

85%

PossibleEnamel coating degradation and leaching

Where these two actually differ

  • We flag Coating degradation and substrate exposure, Aluminum leaching and Manufacturing consistency and third-party verification on the GreenPan and not on the Le Creuset.
  • We flag Enamel coating degradation and leaching on the Le Creuset and not on the GreenPan.
  • The GreenPan is Ceramic-based nonstick coating where the Le Creuset is Cast iron with vitreous enamel glaze, which is most of the difference in these two grades.
  • These two are 5 points apart, close enough that price and fit should decide it rather than our grade.

Both products run through the same public rubric, which covers 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 →

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