I know flipping burgers is the colloquial term, but Mcdonalds hasn't been flipping burgers for more than 20 years. They cook their burgers in heated clamshells,

I know flipping burgers is the colloquial term, but Mcdonalds hasn't been flipping burgers for more than 20 years. They cook their burgers in heated clamshells, which cook both sides of the burgers at once. Half the cook time, no flipping required.