Buffalo Wild Wings (NASDAQ:BWLD) is set to make a huge change, switching from per-piece wing ordering to a portion size system. In this switch, the company hopes to get better control of its costs by synching up the way it charges for wings with the way it pays for them -- by weight.

But it won't be easy.

In the following video, Fool contributor Demitrios Kalogeropoulos discusses why larger chickens are to blame for B-Dub's spiking food costs, and why investors should expect some bumpy quarters ahead as customers adjust to the new system.