The Secret Whistling Bird in Your Pie
A pie bird is a hollow ceramic vent placed inside a pie to prevent it from boiling over. These clever kitchen tools release trapped steam through their beaks, sometimes even whistling as they work.
Baking fruit pies can often lead to messy, bubbling juices spilling over the crust. By placing this hollow funnel in the center, you create an escape route for steam that also props up the pastry roof. These Victorian-era inventions transformed from practical chimneys into charming, bird-shaped collectibles. Using one ensures your crust stays crispy and your oven stays clean.
Source: Pie bird