Those of you who go to the supermarket might have noticed that Mrs Smith
frozen fruit pies were more than half off for month after month last
spring, and I bought a few and ate a few, but I ended up buying more
than I wanted to eat.

In Januaary I ate one of the apple pies and yesterday and today I ate
most of a pumpkin pie, and despite being 8 and 10 months old, they were
fine. Tasted fine, looked fine

Probably would work the same with any brand of pie.