Pie Day 2024 Food Deals. Here are all the best food deals on pi day, march 14, on pie, pizza and beyond from taco bell, burger king, doordash, pizza hut and more chains. To make sure you celebrate as deliciously as possible, we rounded up all the pi day food deals you can sink your teeth into.

Pi day is a fun holiday based on the fact. March 14 is the day we load up on pizza and pie to honor the mathematical constant pi.