What material is the healthiest for baking trays?

‌316/304 stainless steel‌
Advantages‌: no chemical coating, high temperature resistance (800℃), extremely low heavy metal precipitation at high temperature (only 0.03mg/kg); stable chemical properties, not easy to react with acidic food, strong corrosion resistance‌46.
‌Disadvantages‌: slow heat conduction requires preheating, food easily sticks to the pan, baking paper or oil is required‌.
‌Key points for purchase‌: look for food-grade SUS304 or SUS316 logo, thickness ≥22mm‌25.

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