to produce single faced corrugated paperboard double faced corrugated paperboard is made by adhering or otherwise joining paper liners to the flute tips on both sides of the corrugated medium food grade adhesives such as food grade starch based adhesives preferably are used to join the component layers of the corrugated paperboard the corrugated paperboard preferably has a thin continuous edible wax coating e g paraffin wax film or another food compatible moisture barrier coating provided on at least the food contacting side of the cardboard the corrugated paperboard should be sufficiently rigid and stiff such that it does not readily distort when compressive forces of a hand are applied to it but is flexible enough that it can be folded at score or crease lines in manners described herein without tearing or rupturing in one non limiting example the corrugated paperboard is constructed of wax coated kraft paper liners plain or bleached and a corrugated medium comprising kraft paper and has an overall board thickness suitable for supporting and folding food products in accordance with embodiments of the invention such as described herein the paper liners may be preprinted with instructions logos etc the paper liners also may be bright white clay coated in a conventional manner before.