The seven-day homage to the delicious dish began in 2007, and kicks off on Monday.
If you fancy popping out for a pie, here are nine of the best places in Northumberland to buy one, according to Google reviews:
1. Turnbull's Northumbrian Pie Shop and Deli, Alnwick
A 4.6-star ranking according to Google, with 43 reviews. Photo: Google
2. The Running Fox, Felton
A 4.8-star ranking according to Google, with 220 reviews. Photo: supplied
3. The Amble Butcher, Amble
A 5-star ranking according to Google, with 32 reviews. Photo: Google
4. Trotters Family Bakery, Seahouses
A 3.9-star ranking according to Google, with 83 reviews. Photo: Google
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