Coatings:

• Pot and pans (residue, always aino ben yomo, asui l'hishtamesh b'shefah, ain kavonoso levatel);


• Pre-seasoned cast iron pans;


• Styrofoam cups;


• Fruits and vegetables.

See seforim by Rabbi Cohen at ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠www.kashrushalacha.com