Shoo Fly Pie

Shoo fly pie is Pennsylvania Dutch baking at its finest: a sticky molasses filling beneath a crumbly, spiced top that you can’t stop picking at. The name supposedly comes from shooing flies away from the sweet filling as it cools on the windowsill. Whether that’s true or not, the pie earns every bit of attention.

The filling is beautifully simple. Dissolve baking soda in hot water, beat it into the molasses with an egg yolk, and pour it into a chilled pie shell. The baking soda reacts with the molasses and gives the bottom layer a slightly cakey, airy texture rather than pure sticky goo. That’s the difference between a well-made shoo fly pie and a flat one.

The crumb topping is where the spice comes in: cinnamon, mace, ginger, and cloves mixed with brown sugar, flour, and melted shortening. As it bakes, some crumbs sink into the molasses layer and some stay crisp on top. You get both textures in every bite.

Kitchen Tips

• Chill the pie shell before filling. A cold crust holds its shape and doesn’t shrink as much in the oven.
• The high initial heat sets the crust quickly. Drop the temperature so the filling cooks through without burning the crumb top.
• The pie is done when the top feels firm to a gentle touch. The center will still jiggle slightly but sets as it cools.
• Best served at room temperature or slightly warm. It’s too sticky straight from the oven.

Variations

• Wet bottom vs. dry bottom: For a gooier pie, use dark molasses. For a more cake-like texture throughout, use light molasses.
• With whipped cream: A dollop of unsweetened whipped cream balances the intense sweetness.