Peach Pie Recipe With Cornstarch: Thick Juicy Filling in a Flaky Crust

This peach pie delivers on two essential promises: a juicy filling that doesn’t turn to soup and a flaky crust that shatters with every bite. The secret lies in cornstarch, which thickens the natural peach juices without muting their bright flavor.

I’ve tested this method repeatedly to ensure the filling sets perfectly while keeping the fruit tender. The cornstarch creates a glossy, sliceable center that clings to each peach slice, never weeping onto the plate.

What emerges from the oven is a golden pie with a filling that’s rich but not cloying, encased in layers of buttery, flaky pastry. The contrast between the tender peaches and crisp crust is exactly what summer dessert should be.

Serve warm with vanilla ice cream for the full experience. Here’s how to make it right.

Ingredients for Peach Pie Recipe with Cornstarch

Ripe peaches, flaky crust, and cornstarch create that perfect juicy filling everyone loves.

The peaches are everything here. Farmers market peaches in peak season have the best flavor and texture—look for ones that yield slightly to gentle pressure but aren’t mushy. For the crust, European-style butter (like Plugrá or Kerrygold) has higher fat content, which means flakier layers. If you’re making this in winter, frozen peaches work in a pinch, but thaw and drain them well first.

No cornstarch? Instant tapioca at half the amount gives a similar result, though the filling will be slightly more translucent. For a deeper flavor, swap 1 tbsp of the sugar for brown sugar. The egg wash can be replaced with heavy cream or milk for a simpler finish. If you’re avoiding dairy, use a plant-based milk for the wash—it won’t brown as deeply but still adds shine.

The dough can be wrapped and refrigerated for up to 2 days, or frozen for 3 months. Baked pie keeps at room temperature for 2 days (covered loosely) or in the fridge for 4 days. Reheat slices in a toaster oven to restore that crisp crust.

Step-by-Step Instructions for Peach Pie With Cornstarch

Master the art of this dessert with my tested method for thick filling and perfect crust.

Step 1: Prepare the Flaky Pie Crust

In a large bowl, combine 2.5 cups all-purpose flour with 0.5 tsp salt. Cut in 1 cup cold unsalted butter (cubed) using a pastry cutter or your fingers until the mixture resembles coarse crumbs with pea-sized butter pieces.

Gradually add 0.5 cup ice water, one tablespoon at a time, mixing gently with a fork until the dough just comes together. It should hold when pressed but not be sticky. Divide the dough in half, shape into disks, wrap in plastic, and refrigerate for 1 hour—this resting period is crucial for a flaky texture.

Step 2: Make the Thick Peach Filling

Peel and slice the 8 whole fresh peaches into ¼-inch thick wedges (you should have about 6 cups). In a large bowl, toss the peaches with 0.75 cup granulated sugar, 3 tbsp cornstarch, 1 tbsp lemon juice, 1 tsp vanilla extract, and 0.5 tsp ground cinnamon.

The cornstarch will create that promised thick, juicy filling as it cooks. Let the mixture sit for 15 minutes to allow the peaches to release some juices, which will help the cornstarch activate evenly during baking.

Step 3: Assemble and Crimp the Pie

On a lightly floured surface, roll out one dough disk to a 12-inch circle. Transfer to a 9-inch pie dish, pressing gently into the bottom and up the sides. Trim any excess, leaving a ½-inch overhang.

Pour the peach filling into the crust, mounding slightly in the center. Roll out the second dough disk and place it over the filling. Trim, then crimp the edges together with your fingers or a fork. Cut 4-5 slits in the top crust to allow steam to escape.

Step 4: Bake to Golden Perfection

Preheat oven to 375°F. Brush the top crust with a beaten large egg and sprinkle lightly with extra granulated sugar for a golden, crisp finish. Place the pie on a baking sheet to catch any drips.

Bake for 50-60 minutes until the crust is deep golden brown and the filling is bubbling through the vents. If the edges brown too quickly, cover them with foil. The pie is done when the juices are thick and the peaches are tender—check by inserting a knife through a vent; it should meet slight resistance from the fruit but not be watery.

Step 5: Cool and Serve

Transfer the pie to a wire rack and let it cool for at least 2 hours. This waiting period allows the filling to set completely—the cornstarch needs this time to work its magic. Serving too soon will result in a runny filling.

Slice with a sharp knife and serve warm or at room temperature. Each piece should showcase the flaky crust and thick, glistening peach filling that holds its shape on the plate. Store any leftovers covered at room temperature for up to 2 days.

Pro Cooking Tips for Great peach pie recipe with cornstarch

Crust Perfection

For that shatteringly flaky crust, keep your butter ice-cold and work quickly. I cut mine into ½-inch cubes and chill everything—bowl, flour, even the pastry cutter—for 15 minutes before starting. This prevents the butter from melting into the dough. 💡

Filling Thickness

The cornstarch needs time to hydrate, so let your peach mixture rest for 15 minutes after mixing. This step ensures even thickening and prevents a watery filling. Also, toss the peaches with cornstarch first, then add other ingredients.

Avoid Soggy Bottom

Blind-bake your bottom crust for 10 minutes at 375°F before adding filling. Sprinkle the crust with 1 tbsp flour or breadcrumbs to absorb excess juice. This creates a barrier that keeps the pastry crisp.

Ventilation Matters

Cut 4-5 generous slits in the top crust to allow steam to escape. Without proper ventilation, the filling can boil over and create a mess. I use a sharp knife to make decorative cuts that also serve a functional purpose.

Place a baking sheet on the rack below to catch drips. 🔥

Doneness Check

The pie is ready when the crust is deep golden brown and the filling bubbles through the vents. Insert a knife through a slit—if the juices are thick and coat the blade, it’s done. If it looks pale, bake for 5-10 more minutes.

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