Pi Day 2025 Specials. The brand is also offering a pi day deal on frozen pizzas. Burger king is offering free pi, taco bell has a mexican pizza deal and digiorno is launching a pizza rescue program.
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. Wednesday — the day before pi day — is free pie day at baker’s square restaurants.