When using if you care 100 unbleached parchment paper no greasing is necessary the paper has been coated with silicone ndash a non organic natural product ndash on both sides many parchment papers are coated with quilon quilon is a chemical containing chrome ndash a heavy metal ndash which when incinerated becomes toxic and leaves trace elements the reason for the majority of parchment paper to be quilon coated is the cost which is substantially lower than silicone so in order to