GreenLife Ceramic Nonstick Muffin Pan vs King Arthur Baking Company Silicone Muffin Cups: which is safer?
GreenPan GreenLife Ceramic Nonstick Muffin Pan is the clear pick. King Arthur Baking Company Silicone Muffin Cups carries a failing PFAS grade, and we never recommend buying a failing product.
Our pick
GreenPan
GreenLife Ceramic Nonstick Muffin Pan
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleCeramic coating degradation and particle ingestion
PossibleAluminum leaching (if base is aluminum)
Silicone King
King Arthur Baking Company Silicone Muffin Cups
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleMicroabrasion and particulate shedding
PossibleMold and bacterial growth in crevices
Where these two actually differ
- We flag Ceramic coating degradation and particle ingestion and Aluminum leaching (if base is aluminum) on the GreenPan and not on the Silicone King.
- We flag Microabrasion and particulate shedding and Mold and bacterial growth in crevices on the Silicone King and not on the GreenPan.
- The GreenPan is Ceramic nonstick coating (proprietary blend) where the Silicone King is Silicone (no fluoropolymer or PTFE coating), 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 GreenPan 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 muffin tins: see the full ranking