"In the same vein, ensure that any glass or plastic you use is labelled freezer safe so that it does not crack.Baking paper and waxed paper:Greaseproof baking paper (also known as parchment paper) is generally bleached and coated with chemicals such as Teflon or chrome-containing Quilon (which is what makes it non-stick), which means it can not be recycled." . . . .